static int do_cmdline(int argc, char *argv[]) { int i; char *inject_path = NULL; char *mrom_dir = NULL; int force_inject = 0; for(i = 1; i < argc; ++i) { if(strcmp(argv[i], "-v") == 0) { printf("%d\n", VERSION_TRAMPOLINE); fflush(stdout); return 0; } else if(strstartswith(argv[i], "--inject=")) inject_path = argv[i] + strlen("--inject="); else if(strstartswith(argv[i], "--mrom_dir=")) mrom_dir = argv[i] + strlen("--mrom_dir="); else if(strcmp(argv[i], "-f") == 0) force_inject = 1; } if(inject_path) { if(!mrom_dir) { printf("--mrom_dir=[path to multirom's data dir] needs to be specified!\n"); fflush(stdout); return 1; } mrom_set_dir(mrom_dir); mrom_set_log_tag("trampoline_inject"); return inject_bootimg(inject_path, force_inject); } printf("Usage: trampoline -v\n"); printf(" trampoline --inject=<path to boot.img> --mrom_dir=<path to multirom's data dir> [-f]\n"); return 1; }
int main(int argc, char *argv[]) { int i, res; static char *const cmd[] = { "/init", NULL }; struct fstab *fstab = NULL; char *inject_path = NULL; char *mrom_dir = NULL; int force_inject = 0; for(i = 1; i < argc; ++i) { if(strcmp(argv[i], "-v") == 0) { printf("%d\n", VERSION_TRAMPOLINE); fflush(stdout); return 0; } else if(strstartswith(argv[i], "--inject=")) inject_path = argv[i] + strlen("--inject="); else if(strstartswith(argv[i], "--mrom_dir=")) mrom_dir = argv[i] + strlen("--mrom_dir="); else if(strcmp(argv[i], "-f") == 0) force_inject = 1; } if(inject_path) { if(!mrom_dir) { printf("--mrom_dir=[path to multirom's data dir] needs to be specified!\n"); fflush(stdout); return 1; } mrom_set_dir(mrom_dir); mrom_set_log_tag("trampoline_inject"); return inject_bootimg(inject_path, force_inject); } umask(000); // Init only the little we need, leave the rest for real init mkdir("/dev", 0755); mkdir("/dev/pts", 0755); mkdir("/dev/socket", 0755); mkdir("/proc", 0755); mkdir("/sys", 0755); mount("tmpfs", "/dev", "tmpfs", MS_NOSUID, "mode=0755"); mount("devpts", "/dev/pts", "devpts", 0, NULL); mount("proc", "/proc", "proc", 0, NULL); mount("sysfs", "/sys", "sysfs", 0, NULL); mount("pstore", "/sys/fs/pstore", "pstore", 0, NULL); #if MR_USE_DEBUGFS_MOUNT // Mount the debugfs kernel sysfs mkdir("/sys/kernel/debug", 0755); mount("debugfs", "/sys/kernel/debug", "debugfs", 0, NULL); #endif klog_init(); // output all messages to dmesg, // but it is possible to filter out INFO messages klog_set_level(6); mrom_set_log_tag("trampoline"); INFO("Running trampoline v%d\n", VERSION_TRAMPOLINE); if(is_charger_mode()) { INFO("Charger mode detected, skipping multirom\n"); goto run_main_init; } #if MR_DEVICE_HOOKS >= 3 tramp_hook_before_device_init(); #endif INFO("Initializing devices...\n"); devices_init(); INFO("Done initializing\n"); if(wait_for_file("/dev/graphics/fb0", 5) < 0) { ERROR("Waiting too long for fb0"); goto exit; } #ifdef MR_POPULATE_BY_NAME_PATH //nkk71 M7 hack Populate_ByName_using_emmc(); #endif fstab = fstab_auto_load(); if(!fstab) goto exit; #if 0 fstab_dump(fstab); //debug #endif // mount and run multirom from sdcard if(mount_and_run(fstab) < 0 && mrom_is_second_boot()) { ERROR("This is second boot and we couldn't mount /data, reboot!\n"); sync(); android_reboot(ANDROID_RB_RESTART, 0, 0); while(1) sleep(1); } exit: if(fstab) fstab_destroy(fstab); // close and destroy everything devices_close(); run_main_init: umount("/dev/pts"); rmdir("/dev/pts"); rmdir("/dev/socket"); if(access(KEEP_REALDATA, F_OK) < 0) { umount(REALDATA); umount("/dev"); rmdir(REALDATA); encryption_destroy(); } encryption_cleanup(); #if MR_USE_DEBUGFS_MOUNT umount("/sys/kernel/debug"); #endif umount("/proc"); umount("/sys/fs/pstore"); umount("/sys"); INFO("Running main_init\n"); fixup_symlinks(); chmod("/main_init", EXEC_MASK); rename("/main_init", "/init"); res = execve(cmd[0], cmd, NULL); ERROR("execve returned %d %d %s\n", res, errno, strerror(errno)); return 0; }
int main(int argc, char *argv[]) { int i; int res = 1; int cmd = CMD_NONE; int stdout_fd; char footer_location[256]; struct fstab *fstab; struct fstab_part *p; char *argument = NULL; klog_init(); // output all messages to dmesg, // but it is possible to filter out INFO messages klog_set_level(6); mrom_set_log_tag("trampoline_encmnt"); mrom_set_dir("/mrom_enc/"); for(i = 1; i < argc; ++i) { if(!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help")) { print_help(argv); return 0; } else if(cmd == CMD_NONE) { if(strcmp(argv[i], "decrypt") == 0) cmd = CMD_DECRYPT; else if(strcmp(argv[i], "remove") == 0) cmd = CMD_REMOVE; else if(strcmp(argv[i], "pwtype") == 0) cmd = CMD_PWTYPE; } else if(!argument) { argument = argv[i]; } } if(argc == 1 || cmd == CMD_NONE) { print_help(argv); return 0; } fstab = fstab_auto_load(); if(!fstab) { ERROR("Failed to load fstab!"); return 1; } p = fstab_find_first_by_path(fstab, "/data"); if(!p) { ERROR("Failed to find /data partition in fstab\n"); goto exit; } strcpy(footer_location, ""); if(p->options != NULL && get_footer_from_opts(footer_location, sizeof(footer_location), p->options) < 0) goto exit; if(p->options2 != NULL && strcmp(footer_location, "") == 0 && get_footer_from_opts(footer_location, sizeof(footer_location), p->options2) < 0) goto exit; INFO("Setting encrypted partition data to %s %s %s\n", p->device, footer_location, p->type); set_partition_data(p->device, footer_location, p->type); // cryptfs prints informations, we don't want that stdout_fd = dup(1); freopen("/dev/null", "ae", stdout); switch(cmd) { case CMD_PWTYPE: if(handle_pwtype(stdout_fd) < 0) goto exit; break; case CMD_DECRYPT: if(handle_decrypt(stdout_fd, argument) < 0) goto exit; break; case CMD_REMOVE: if(handle_remove() < 0) goto exit; break; } res = 0; exit: fstab_destroy(fstab); return res; }