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multirom.c
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/*
* This file is part of MultiROM.
*
* MultiROM is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* MultiROM is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MultiROM. If not, see <http://www.gnu.org/licenses/>.
*/
#include <sys/stat.h>
#include <fcntl.h>
#include <stdio.h>
#include <time.h>
#include <string.h>
#include <dirent.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <stdlib.h>
#include <errno.h>
#include <sys/mount.h>
#include <sys/klog.h>
#include <sys/vfs.h>
#include <sys/statvfs.h>
#include <linux/loop.h>
#include <ctype.h>
#include <unistd.h>
// clone libbootimg to /system/extras/ from
// https://github.com/Tasssadar/libbootimg.git
#include <libbootimg.h>
#if LIBBOOTIMG_VERSION < 0x000200
#error "libbootimg version 0.2.0 or higher is required. Please update libbootimg."
#endif
#include "lib/containers.h"
#include "lib/framebuffer.h"
#include "lib/inject.h"
#include "lib/input.h"
#include "lib/log.h"
#include "lib/util.h"
#include "lib/mrom_data.h"
#include "multirom.h"
#include "multirom_ui.h"
#include "version.h"
#include "hooks.h"
#include "rom_quirks.h"
#include "kexec.h"
#ifdef MR_NO_KEXEC
#include "no_kexec.h"
#endif
#define REALDATA "/realdata"
#define BUSYBOX_BIN "busybox"
#define KEXEC_BIN "kexec"
#define NTFS_BIN "ntfs-3g"
#define EXFAT_BIN "exfat-fuse"
#define INTERNAL_ROM_NAME "Internal"
#define INTERNAL_RECOVERY_NAME "Recovery"
#define MAX_ROM_NAME_LEN 26
#define LAYOUT_VERSION "/data/.layout_version"
#define BATTERY_CAP "/sys/class/power_supply/battery/capacity"
static char busybox_path[64] = { 0 };
static char kexec_path[64] = { 0 };
static char ntfs_path[64] = { 0 };
static char exfat_path[64] = { 0 };
static char partition_dir[64] = { 0 };
static volatile int run_usb_refresh = 0;
static pthread_t usb_refresh_thread;
static pthread_mutex_t parts_mutex = PTHREAD_MUTEX_INITIALIZER;
static void (*usb_refresh_handler)(void) = NULL;
int multirom_find_base_dir(void)
{
int i;
struct stat info;
static const char *paths[] = {
REALDATA"/media/0/multirom", // 4.2
REALDATA"/media/multirom",
"/data/media/0/multirom",
"/data/media/multirom",
NULL,
};
for(i = 0; paths[i]; ++i)
{
if(stat(paths[i], &info) < 0)
continue;
mrom_set_dir(paths[i]);
strncpy(partition_dir, paths[i], strchr(paths[i]+1, '/') - paths[i]);
sprintf(busybox_path, "%s/%s", paths[i], BUSYBOX_BIN);
sprintf(kexec_path, "%s/%s", paths[i], KEXEC_BIN);
sprintf(ntfs_path, "%s/%s", paths[i], NTFS_BIN);
sprintf(exfat_path, "%s/%s", paths[i], EXFAT_BIN);
chmod(kexec_path, 0755);
chmod(ntfs_path, 0755);
chmod(exfat_path, 0755);
return 0;
}
return -1;
}
#define MAX_LASTKMSG_LOGS 3
#define MAX_MROMKMSG_LOGS 5
enum
{
BACKUP_LAST_KMSG = 0,
BACKUP_EARLY_KLOG = 1,
BACKUP_LATE_KLOG = 2,
BACKUP_LAST_KEXEC = 3
};
void multirom_kmsg_rename_logs(const char *path_logs_dir, const char *base_name, const int max_count)
{
DIR *dp = opendir(path_logs_dir);
if (!dp)
return;
int i;
char path_file_1[256];
char path_file_2[256];
char tmp[5];
char *pos = NULL;
struct dirent *de = NULL;
// delete last one (max_count), and rename the older ones
while((de = readdir(dp)))
{
if (strncmp(de->d_name, base_name, strlen(base_name)) != 0)
continue;
sprintf(path_file_1, "%s/%s", path_logs_dir, de->d_name);
sprintf(path_file_2, "%s/%s", path_logs_dir, de->d_name);
for (i = max_count; i >= 0; i--)
{
sprintf(tmp, "_%i_", i);
pos = strstr(path_file_2, tmp);
if (pos != NULL)
{
sprintf(tmp, "_%i_", i+1);
strncpy(pos, tmp, strlen(tmp));
if (i == max_count)
remove(path_file_1); //INFO("Deleting oldest log '%s' res=%d\n", path_file_1, remove(path_file_1));
else
rename(path_file_1, path_file_2); //INFO("Renaming older log '%s' to '%s' res=%d\n", path_file_1, path_file_2, rename(path_file_1, path_file_2));
}
}
}
closedir(dp);
}
void multirom_kmsg_logging(int kmsg_backup_type)
{
// types of logging:
// BACKUP_LAST_KMSG -> backup last_kmsg
// BACKUP_EARLY_KMSG -> current klog upon entering mrom
// BACKUP_LATE_KMSG -> current klog upon exiting mrom
// BACKUP_LAST_KEXEC -> last kexec log
char path_logs_dir[256];
char path_log_file[256];
static const char *kmsg_paths[] = {
"/proc/last_kmsg",
"/sys/fs/pstore/console-ramoops",
NULL,
};
// make the logs folder visible outside multirom folder
static const char log_dir_name[] = "../multirom-klogs";
static const char ext[] = "txt";
// current date time
char datetime[] = "yyyy-mm-dd-HHMMSS";
time_t rawtime = time(NULL);
struct tm *timeinfo = localtime(&rawtime);
strftime(datetime, sizeof(datetime), "%Y-%m-%d-%H%M%S", timeinfo);
// filename: last_kmsg_n_2016-03-11-153600.txt
// filename: early_klg_0_2016-03-11-153600.txt (this is current klog upon enterting mrom)
// filename: mrom_klog_n_2016-03-11-153600.txt (this is current klog upon exiting mrom)
// filename: last_kexec_0_2016-03-11-153600.txt (same klog as pulled in multirom_load_kexec function)
char base_name[15];
if (kmsg_backup_type == BACKUP_LAST_KMSG)
strcpy(base_name, "last_kmsg");
else if (kmsg_backup_type == BACKUP_EARLY_KLOG)
strcpy(base_name, "early_klg");
else if (kmsg_backup_type == BACKUP_LATE_KLOG)
strcpy(base_name, "mrom_klog");
else if (kmsg_backup_type == BACKUP_LAST_KEXEC)
strcpy(base_name, "last_kexec");
else
return;
// set path and create if needed
sprintf(path_logs_dir, "%s/%s", mrom_dir(), log_dir_name);
mkdir(path_logs_dir, 0777);
if (kmsg_backup_type == BACKUP_LAST_KMSG)
{
int i;
multirom_kmsg_rename_logs(path_logs_dir, base_name, MAX_LASTKMSG_LOGS);
// now copy the last kernel msg
sprintf(path_log_file, "%s/%s_%i_%s.%s", path_logs_dir, base_name, 0, datetime, ext);
for(i = 0; kmsg_paths[i]; ++i)
{
if (access(kmsg_paths[i], R_OK) == 0)
{
INFO("Backing up last kmsg '%s' to '%s' res=%d\n", kmsg_paths[i], path_log_file, copy_file(kmsg_paths[i], path_log_file));
break;
}
}
}
else
{
multirom_kmsg_rename_logs(path_logs_dir, base_name, (kmsg_backup_type == BACKUP_LATE_KLOG) ? MAX_MROMKMSG_LOGS : 0);
// now copy current klog
sprintf(path_log_file, "%s/%s_%i_%s.%s", log_dir_name, base_name, 0, datetime, ext);
INFO("Backing up current klog to '%s' res=%d\n", path_log_file, multirom_copy_log(NULL, path_log_file));
}
}
int multirom(const char *rom_to_boot)
{
if(multirom_find_base_dir() == -1)
{
ERROR("Could not find multirom dir\n");
return -1;
}
struct multirom_status s;
memset(&s, 0, sizeof(struct multirom_status));
multirom_load_status(&s);
multirom_dump_status(&s);
if (s.enable_kmsg_logging != 0)
{
multirom_kmsg_logging(BACKUP_LAST_KMSG);
multirom_kmsg_logging(BACKUP_EARLY_KLOG);
}
struct multirom_rom *to_boot = NULL;
int exit = (EXIT_REBOOT | EXIT_UMOUNT);
#ifdef MR_NO_KEXEC
// setup global variables here
nokexec_set_struct(&s);
// check if a partition mount failed, in which case multirom usually just boots internal
if (s.current_rom && s.current_rom->type == ROM_DEFAULT && nokexec_is_second_boot())
{
ERROR(NO_KEXEC_LOG_TEXT ": Something went wrong in mounting the needed partition, so falling back...");
nokexec()->selected_method = NO_KEXEC_BOOT_NORMAL;
s.is_second_boot = 0;
//ERROR(NO_KEXEC_LOG_TEXT ": to Internal\n"); s.auto_boot_type = AUTOBOOT_FORCE_CURRENT; // force reboot to Internal (this would be mrom default behaviour)
//ERROR(NO_KEXEC_LOG_TEXT ": to MultiROM GUI\n"); s.auto_boot_type = AUTOBOOT_NAME; // bring up the gui instead
ERROR(NO_KEXEC_LOG_TEXT ": to Recovery\n"); exit = (EXIT_REBOOT_RECOVERY | EXIT_UMOUNT); goto finish; // reboot to recovery
}
#endif
if(rom_to_boot != NULL)
{
struct multirom_rom *rom = multirom_get_rom(&s, rom_to_boot, NULL);
if(rom)
{
// Two possible scenarios: this ROM has kexec-hardboot and target
// ROM has boot image, so kexec it immediatelly or
// reboot and then proceed as usuall
if(((M(rom->type) & MASK_KEXEC) || rom->has_bootimg) && rom->type != ROM_DEFAULT && multirom_has_kexec())
{
to_boot = rom;
s.is_second_boot = 0;
INFO("Booting ROM %s...\n", rom_to_boot);
}
else
{
s.current_rom = rom;
free(s.curr_rom_part);
s.curr_rom_part = NULL;
if(rom->partition)
s.curr_rom_part = strdup(rom->partition->uuid);
s.auto_boot_type |= AUTOBOOT_FORCE_CURRENT;
INFO("Setting ROM %s to force autoboot\n", rom_to_boot);
}
}
else
{
ERROR("ROM %s was not found, force autoboot was not set!\n", rom_to_boot);
exit = EXIT_UMOUNT;
}
}
else if(s.is_second_boot != 0 || (s.auto_boot_type & AUTOBOOT_FORCE_CURRENT))
{
ERROR("Skipping ROM selection, is_second_boot=%d, auto_boot_type=0x%x\n", s.is_second_boot, s.auto_boot_type);
to_boot = s.current_rom;
}
else
{
// just to cache the result so that it does not take
// any time when the UI is up
multirom_has_kexec();
switch(multirom_ui(&s, &to_boot))
{
case UI_EXIT_BOOT_ROM: break;
case UI_EXIT_REBOOT:
exit = (EXIT_REBOOT | EXIT_UMOUNT);
break;
case UI_EXIT_REBOOT_RECOVERY:
exit = (EXIT_REBOOT_RECOVERY | EXIT_UMOUNT);
break;
case UI_EXIT_REBOOT_BOOTLOADER:
exit = (EXIT_REBOOT_BOOTLOADER | EXIT_UMOUNT);
break;
case UI_EXIT_SHUTDOWN:
exit = (EXIT_SHUTDOWN | EXIT_UMOUNT);
break;
}
}
if(to_boot)
{
s.auto_boot_type &= ~(AUTOBOOT_FORCE_CURRENT);
#ifdef MR_NO_KEXEC
#define MR_NO_KEXEC_ABORT { \
ERROR("NO_KEXEC: ERROR occurred in the above, aborting to recovery\n"); \
exit = (EXIT_REBOOT_RECOVERY | EXIT_UMOUNT); goto finish; \
}
if (s.is_second_boot != 0)
{
// Restore primary boot.img, and continue
if (nokexec_restore_primary_and_cleanup() < 0)
MR_NO_KEXEC_ABORT;
}
else
{
if ((to_boot->type != ROM_DEFAULT) && to_boot->has_bootimg)
{
// Flash secondary boot.img, and reboot
// note: a secondary boot.img in primary slot will trigger second_boot=1
// so we don't need to worry about that any more
if (nokexec_flash_secondary_bootimg(to_boot) < 0)
MR_NO_KEXEC_ABORT;
s.current_rom = to_boot;
free(s.curr_rom_part);
s.curr_rom_part = NULL;
if(to_boot->partition)
s.curr_rom_part = strdup(to_boot->partition->uuid);
exit = (EXIT_REBOOT | EXIT_UMOUNT);
goto finish;
}
}
#endif
if(rom_to_boot == NULL)
multirom_run_scripts("run-on-boot", to_boot);
exit = multirom_prepare_for_boot(&s, to_boot);
// Something went wrong, exit/reboot
if(exit == -1)
{
if(rom_to_boot == NULL)
{
multirom_emergency_reboot();
exit = EXIT_REBOOT;
}
else
exit = EXIT_UMOUNT;
goto finish;
}
s.current_rom = to_boot;
free(s.curr_rom_part);
s.curr_rom_part = NULL;
if(to_boot->partition)
s.curr_rom_part = strdup(to_boot->partition->uuid);
if(s.is_second_boot == 0 && (M(to_boot->type) & MASK_ANDROID) && (exit & EXIT_KEXEC))
{
s.is_second_boot = 1;
// mrom_kexecd=1 param might be lost if kernel does not have kexec patches
ERROR(SECOND_BOOT_KMESG);
}
else
s.is_second_boot = 0;
}
finish:
#ifdef MR_NO_KEXEC
nokexec_free_struct();
#endif
if (s.enable_kmsg_logging != 0)
{
multirom_kmsg_logging(BACKUP_LATE_KLOG);
}
// Restore the original boot values
if (s.is_recovery_boot == 1)
{
INFO("Restoring boot params before Recovery MultiROM\n");
s.auto_boot_rom = NULL;
s.auto_boot_seconds = s.bckp_auto_boot_seconds;
s.auto_boot_type = s.bckp_auto_boot_type;
s.curr_rom_part = s.bckp_curr_rom_part;
s.hide_internal = s.bckp_hide_internal;
multirom_dump_status(&s);
}
multirom_save_status(&s);
multirom_free_status(&s);
sync();
return exit;
}
int multirom_init_fb(int rotation)
{
if(fb_open(rotation) < 0)
{
ERROR("Failed to open framebuffer!\n");
return -1;
}
fb_fill(BLACK);
return 0;
}
void multirom_emergency_reboot(void)
{
char *klog;
fb_text_proto *p;
fb_img *t;
char *tail;
char *last_end;
int cur_y;
unsigned int media_rw_id;
if(multirom_init_fb(0) < 0)
{
ERROR("Failed to init framebuffer in emergency reboot\n");
return;
}
fb_set_background(BLACK);
klog = multirom_get_klog();
t = fb_add_text(0, 120, WHITE, SIZE_NORMAL,
"An error occured.\nShutting down MultiROM to avoid data corruption.\n"
"Report this error to the developer!\nDebug info: /sdcard/multirom_log.txt\n\n"
"Press POWER button to reboot.");
t = fb_add_text(0, t->y + t->h + 100*DPI_MUL, GRAYISH, SIZE_SMALL, "Last lines from klog:");
fb_add_rect(0, t->y + t->h + 5*DPI_MUL, fb_width, 1, GRAYISH);
tail = klog+strlen(klog);
last_end = tail;
cur_y = fb_height;
const int start_y = (t->y + t->h + 2);
while(tail > klog)
{
--tail;
if(*tail == '\n')
{
p = fb_text_create(0, cur_y, GRAYISH, 4*4, NULL);
p->text = malloc(last_end - tail);
memcpy(p->text, tail + 1, last_end - (tail + 1));
p->text[last_end - (tail + 1)] = 0;
p->style = STYLE_MONOSPACE;
t = fb_text_finalize(p);
cur_y -= t->h;
t->y = cur_y;
last_end = tail;
if(cur_y < start_y)
{
fb_rm_text(t);
break;
}
}
}
fb_force_draw();
multirom_copy_log(klog, "../multirom_log.txt");
free(klog);
media_rw_id = decode_uid("media_rw");
if(media_rw_id != -1U)
chown("../multirom_log.txt", (uid_t)media_rw_id, (gid_t)media_rw_id);
chmod("../multirom_log.txt", 0666);
// Wait for power key
start_input_thread();
while(wait_for_key() != KEY_POWER);
stop_input_thread();
fb_clear();
fb_close();
}
static int find_idx(int c)
{
static const char *capital = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
static const char *normal = "abcdefghijklmnopqrstuvwxyz";
char *p;
if((p = strchr(capital, c)))
return p - capital;
else if((p = strchr(normal, c)))
return p - normal;
return -128 + c;
}
static int compare_rom_names(const void *a, const void *b)
{
struct multirom_rom *rom_a = *((struct multirom_rom **)a);
struct multirom_rom *rom_b = *((struct multirom_rom **)b);
if(rom_a->type == ROM_DEFAULT)
return -1;
else if(rom_b->type == ROM_DEFAULT)
return 1;
char *itr_a = rom_a->name;
char *itr_b = rom_b->name;
while(1)
{
if(*itr_a == 0)
return -1;
else if(*itr_b == 0)
return 1;
if(*itr_a == *itr_b)
{
++itr_a;
++itr_b;
continue;
}
int idx_a = find_idx(*itr_a);
int idx_b = find_idx(*itr_b);
if(idx_a == idx_b)
{
++itr_a;
++itr_b;
continue;
}
return idx_a < idx_b ? -1 : 1;
}
return 0;
}
int multirom_default_status(struct multirom_status *s)
{
s->is_second_boot = 0;
s->current_rom = NULL;
s->roms = NULL;
#ifdef MR_NO_KEXEC
s->no_kexec = MR_NO_KEXEC;
#endif
s->colors = 0;
s->brightness = MULTIROM_DEFAULT_BRIGHTNESS;
s->enable_adb = 0;
s->enable_kmsg_logging = 0;
s->rotation = MULTIROM_DEFAULT_ROTATION;
s->anim_duration_coef = 1.f;
s->auto_boot_name = NULL;
s->fstab = fstab_auto_load();
if(!s->fstab)
return -1;
char roms_path[256];
sprintf(roms_path, "%s/roms/"INTERNAL_ROM_NAME, mrom_dir());
DIR *d = opendir(roms_path);
if(!d)
{
ERROR("Failed to open Internal ROM's folder, creating one with ROM from internal memory...\n");
multirom_import_internal();
}
else
closedir(d);
sprintf(roms_path, "%s/roms", mrom_dir());
d = opendir(roms_path);
if(!d)
{
ERROR("Failed to open roms dir!\n");
return -1;
}
struct dirent *dr;
char path[256];
struct multirom_rom **add_roms = NULL;
while((dr = readdir(d)))
{
if(dr->d_name[0] == '.')
continue;
if(dr->d_type != DT_DIR)
continue;
if(strlen(dr->d_name) > MAX_ROM_NAME_LEN)
{
ERROR("Skipping ROM %s, name is too long (max %d chars allowed)\n", dr->d_name, MAX_ROM_NAME_LEN);
continue;
}
INFO("Adding ROM %s\n", dr->d_name);
struct multirom_rom *rom = malloc(sizeof(struct multirom_rom));
memset(rom, 0, sizeof(struct multirom_rom));
rom->id = multirom_generate_rom_id();
rom->name = strdup(dr->d_name);
snprintf(path, sizeof(path), "%s/%s", roms_path, rom->name);
rom->base_path = strdup(path);
rom->type = multirom_get_rom_type(rom);
snprintf(path, sizeof(path), "%s/boot.img", rom->base_path);
rom->has_bootimg = access(path, R_OK) == 0 ? 1 : 0;
multirom_find_rom_icon(rom);
list_add(&add_roms, rom);
}
closedir(d);
if(add_roms)
{
// sort roms
qsort(add_roms, list_item_count(add_roms), sizeof(struct multirom_rom*), compare_rom_names);
// add them to main list
list_swap(&add_roms, &s->roms);
}
s->current_rom = multirom_get_internal(s);
if(!s->current_rom)
{
ERROR("No internal rom found!\n");
return -1;
}
s->auto_boot_rom = s->current_rom;
s->auto_boot_seconds = 5;
s->auto_boot_type = AUTOBOOT_NAME;
return 0;
}
int multirom_load_status(struct multirom_status *s)
{
INFO("Loading MultiROM status...\n");
multirom_default_status(s);
if(mrom_is_second_boot())
s->is_second_boot = 1;
// is_second_boot might be reset later, but we need to know if this
// is second boot when filling in kexec info
s->is_running_in_primary_rom = !s->is_second_boot;
char arg[256];
sprintf(arg, "%s/multirom.ini", mrom_dir());
FILE *f = fopen(arg, "re");
if(!f)
{
ERROR("Failed to open config file, using defaults!\n");
return -1;
}
char line[1024];
char current_rom[256] = { 0 };
char auto_boot_rom[256] = { 0 };
int auto_boot_len;
char name[64];
char *pch;
while((fgets(line, sizeof(line), f)))
{
pch = strtok (line, "=\n");
if(!pch) continue;
strcpy(name, pch);
pch = strtok (NULL, "=\n");
if(!pch) continue;
strcpy(arg, pch);
if(strstr(name, "current_rom"))
strcpy(current_rom, arg);
else if(strstr(name, "auto_boot_seconds"))
s->auto_boot_seconds = atoi(arg);
else if(strstr(name, "auto_boot_rom"))
strcpy(auto_boot_rom, arg);
else if(strstr(name, "auto_boot_type"))
s->auto_boot_type = atoi(arg);
else if(strstr(name, "curr_rom_part"))
s->curr_rom_part = strdup(arg);
#ifdef MR_NO_KEXEC
else if(strstr(name, "no_kexec"))
s->no_kexec = atoi(arg);
#endif
else if(strstr(name, "colors_v2"))
s->colors = atoi(arg);
else if(strstr(name, "brightness"))
s->brightness = atoi(arg);
else if(strstr(name, "enable_adb"))
s->enable_adb = atoi(arg);
else if(strstr(name, "enable_kmsg_logging"))
s->enable_kmsg_logging = atoi(arg);
else if(strstr(name, "hide_internal"))
s->hide_internal = atoi(arg);
else if(strstr(name, "int_display_name"))
s->int_display_name = strdup(arg);
else if(strstr(name, "rotation"))
s->rotation = atoi(arg);
else if(strstr(name, "force_generic_fb"))
s->force_generic_fb = atoi(arg);
else if(strstr(name, "anim_duration_coef_pct"))
s->anim_duration_coef = ((float)atoi(arg)) / 100;
}
fclose(f);
// Fill the additional runtime settings
s->auto_boot_name = strdup(auto_boot_rom);
s->is_recovery_boot = 0;
s->bckp_auto_boot_seconds = s->auto_boot_seconds;
s->bckp_auto_boot_type = s->auto_boot_type;
s->bckp_curr_rom_part = (s->curr_rom_part != NULL ? strdup(s->curr_rom_part) : NULL);
s->bckp_hide_internal = s->hide_internal;
// Find USB drive if we're booting from it
auto_boot_len = strlen(s->auto_boot_name);
if (s->curr_rom_part || auto_boot_len > 0)
{
struct multirom_rom *r = NULL;
struct usb_partition *p = NULL;
int tries = 0;
int i;
// Search curr_rom_part
while (s->curr_rom_part && !p && tries < 10)
{
multirom_update_partitions(s);
p = multirom_get_partition(s, s->curr_rom_part);
if (p)
{
INFO("current part '%s' found\n", s->curr_rom_part);
multirom_scan_partition_for_roms(s, p);
break;
}
++tries;
ERROR("part '%s' not found, waiting 1s (%d)\n", s->curr_rom_part, tries);
sleep(1);
}
// Search auto_boot_rom
tries = 0;
while (auto_boot_len > 0 && !r && tries < 10)
{
multirom_update_partitions(s);
for (i = 0; s->roms && s->roms[i];)
{
if (s->roms[i]->partition)
{
list_rm_at(&s->roms, i, &multirom_free_rom);
i = 0;
}
else ++i;
}
for (i = 0; s->partitions && s->partitions[i]; ++i)
{
multirom_scan_partition_for_roms(s, s->partitions[i]);
}
r = multirom_get_rom(s, s->auto_boot_name, NULL);
if (r)
{
INFO("autoboot rom '%s' found\n", s->auto_boot_name);
break;
}
++tries;
ERROR("rom '%s' not found, waiting 1s (%d)\n", s->auto_boot_name, tries);
sleep(1);
}
}
s->current_rom = multirom_get_rom(s, current_rom, s->curr_rom_part);
if(!s->current_rom)
{
ERROR("Failed to select current rom (%s, part %s), using Internal!\n", current_rom, s->curr_rom_part);
s->current_rom = multirom_get_internal(s);
if (s->curr_rom_part) {
free(s->curr_rom_part);
}
s->curr_rom_part = NULL;
if(!s->current_rom)
{
ERROR("No internal rom found!\n");
return -1;
}
}
if((s->auto_boot_type & AUTOBOOT_LAST)) // && !s->curr_rom_part)
{
s->auto_boot_rom = s->current_rom;
}
else
{
s->auto_boot_rom = multirom_get_rom(s, auto_boot_rom, NULL);
if(!s->auto_boot_rom)
ERROR("Could not find rom %s to auto-boot\n", auto_boot_rom);
}
// Detect TWRP recovery boot
if (access("/twres/twrp", F_OK) >= 0)
{
INFO("Renaming primary boot for Recovery MultiROM\n");
s->current_rom = multirom_get_internal(s);
s->current_rom->name = realloc(s->current_rom->name, strlen(INTERNAL_RECOVERY_NAME)+1);
strcpy(s->current_rom->name, INTERNAL_RECOVERY_NAME);
s->auto_boot_rom = s->current_rom;
s->auto_boot_seconds = 5;
if (s->curr_rom_part) {
free(s->curr_rom_part);
}
s->curr_rom_part = NULL;
s->hide_internal = 0;
s->is_recovery_boot = 1;
}
else if (s->int_display_name)
{
struct multirom_rom *r = multirom_get_internal(s);
r->name = realloc(r->name, strlen(s->int_display_name)+1);
strcpy(r->name, s->int_display_name);
}
fb_force_generic_impl(s->force_generic_fb);
if(s->anim_duration_coef == 0)
s->anim_duration_coef = 1.f;
return 0;
}
int multirom_save_status(struct multirom_status *s)
{
INFO("Saving multirom status\n");
char path[256];
char auto_boot_name[MAX_ROM_NAME_LEN+1];
char current_name[MAX_ROM_NAME_LEN+1];
snprintf(path, sizeof(path), "%s/multirom.ini", mrom_dir());
FILE *f = fopen(path, "we");
if(!f)
{
ERROR("Failed to open/create status file!\n");
return -1;
}
multirom_fixup_rom_name(s->auto_boot_rom, auto_boot_name, s->auto_boot_name);
multirom_fixup_rom_name(s->current_rom, current_name, INTERNAL_ROM_NAME);
fprintf(f, "current_rom=%s\n", current_name);
fprintf(f, "auto_boot_seconds=%d\n", s->auto_boot_seconds);
fprintf(f, "auto_boot_rom=%s\n", auto_boot_name);
fprintf(f, "auto_boot_type=%d\n", s->auto_boot_type);
fprintf(f, "curr_rom_part=%s\n", s->curr_rom_part ? s->curr_rom_part : "");
#ifdef MR_NO_KEXEC
fprintf(f, "no_kexec=%d\n", s->no_kexec);
#endif
fprintf(f, "colors_v2=%d\n", s->colors);
fprintf(f, "brightness=%d\n", s->brightness);
fprintf(f, "enable_adb=%d\n", s->enable_adb);
fprintf(f, "enable_kmsg_logging=%d\n", s->enable_kmsg_logging);
fprintf(f, "hide_internal=%d\n", s->hide_internal);
fprintf(f, "int_display_name=%s\n", s->int_display_name ? s->int_display_name : "");
fprintf(f, "rotation=%d\n", s->rotation);
fprintf(f, "force_generic_fb=%d\n", s->force_generic_fb);
fprintf(f, "anim_duration_coef_pct=%d\n", (int)(s->anim_duration_coef*100));
fclose(f);
return 0;
}
void multirom_fixup_rom_name(struct multirom_rom *rom, char *name, const char *def)
{
if(rom)
{
if(rom->type == ROM_DEFAULT)
strcpy(name, INTERNAL_ROM_NAME);
else
strcpy(name, rom->name);
}
else
{
strcpy(name, def);
}
}
void multirom_dump_status(struct multirom_status *s)
{
INFO("Dumping multirom status:\n");
INFO(" is_second_boot=%d\n", s->is_second_boot);
INFO(" is_running_in_primary_rom=%d\n", s->is_running_in_primary_rom);
INFO(" current_rom=%s\n", s->current_rom ? s->current_rom->name : "NULL");
#ifdef MR_NO_KEXEC
INFO(" no_kexec=%d\n", s->no_kexec);
#endif
INFO(" colors_v2=%d\n", s->colors);
INFO(" brightness=%d\n", s->brightness);
INFO(" enable_adb=%d\n", s->enable_adb);
INFO(" enable_kmsg_logging=%d\n", s->enable_kmsg_logging);
INFO(" rotation=%d\n", s->rotation);
INFO(" force_generic_fb=%d\n", s->force_generic_fb);
INFO(" anim_duration_coef=%f\n", s->anim_duration_coef);
INFO(" hide_internal=%d\n", s->hide_internal);
INFO(" int_display_name=%s\n", s->int_display_name ? s->int_display_name : "NULL");
INFO(" auto_boot_seconds=%d\n", s->auto_boot_seconds);
INFO(" auto_boot_rom=%s\n", s->auto_boot_rom ? s->auto_boot_rom->name : s->auto_boot_name);
INFO(" auto_boot_type=%d\n", s->auto_boot_type);
INFO(" curr_rom_part=%s\n", s->curr_rom_part ? s->curr_rom_part : "NULL");
INFO("\n");
INFO(" auto_boot_name=%s\n", s->auto_boot_name);
INFO(" bckp_auto_boot_seconds=%d\n", s->bckp_auto_boot_seconds);
INFO(" bckp_curr_rom_part=%s\n", s->bckp_curr_rom_part ? s->bckp_curr_rom_part : "NULL");
INFO(" bckp_hide_internal=%d\n", s->bckp_hide_internal);
INFO(" is_recovery_boot=%d\n", s->is_recovery_boot);
INFO("\n");
int i;
for(i = 0; s->roms && s->roms[i]; ++i)
{
INFO(" ROM: %s\n", s->roms[i]->name);
INFO(" base_path: %s\n", s->roms[i]->base_path);
INFO(" icon_path: %s\n", s->roms[i]->icon_path);
INFO(" type: %d\n", s->roms[i]->type);
INFO(" has_bootimg: %d\n", s->roms[i]->has_bootimg);
if(s->roms[i]->partition)
INFO(" partition: %s (%s)\n", s->roms[i]->partition->name, s->roms[i]->partition->fs);
}
}
void multirom_free_status(struct multirom_status *s)