#include <zlib.h>
#ifndef _WIN32
+#include <pwd.h>
#include <sys/times.h>
#include <sys/wait.h>
#include <termios.h>
int nb_nics;
NICInfo nd_table[MAX_NICS];
int vm_running;
+static int autostart;
static int rtc_utc = 1;
static int rtc_date_offset = -1; /* -1 means no change */
int cirrus_vga_enabled = 1;
static inline int alarm_has_dynticks(struct qemu_alarm_timer *t)
{
- return t->flags & ALARM_FLAG_DYNTICKS;
+ return t && (t->flags & ALARM_FLAG_DYNTICKS);
}
static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t)
static const char byte = 0;
write(alarm_timer_wfd, &byte, sizeof(byte));
#endif
- alarm_timer->flags |= ALARM_FLAG_EXPIRED;
+ if (alarm_timer) alarm_timer->flags |= ALARM_FLAG_EXPIRED;
if (env) {
/* stop the currently executing cpu because a timer occured */
sigaction(SIGALRM, &act, NULL);
+ /*
+ * Initialize ev struct to 0 to avoid valgrind complaining
+ * about uninitialized data in timer_create call
+ */
+ memset(&ev, 0, sizeof(ev));
ev.sigev_value.sival_int = 0;
ev.sigev_notify = SIGEV_SIGNAL;
ev.sigev_signo = SIGALRM;
if (drives_table[index].bdrv == bdrv)
return drives_table[index].onerror;
- return BLOCK_ERR_REPORT;
+ return BLOCK_ERR_STOP_ENOSPC;
}
static void bdrv_format_print(void *opaque, const char *name)
if (!get_param_value(serial, sizeof(serial), "serial", str))
memset(serial, 0, sizeof(serial));
- onerror = BLOCK_ERR_REPORT;
+ onerror = BLOCK_ERR_STOP_ENOSPC;
if (get_param_value(buf, sizeof(serial), "werror", str)) {
if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO) {
fprintf(stderr, "werror is no supported by this format\n");
drives_table[drives_table_idx].unit = unit_id;
drives_table[drives_table_idx].onerror = onerror;
drives_table[drives_table_idx].drive_opt_idx = arg - drives_opt;
- strncpy(drives_table[nb_drives].serial, serial, sizeof(serial));
+ strncpy(drives_table[drives_table_idx].serial, serial, sizeof(serial));
nb_drives++;
switch(type) {
bdrv_flags |= BDRV_O_CACHE_WB;
else if (cache == 3) /* not specified */
bdrv_flags |= BDRV_O_CACHE_DEF;
- if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0 || qemu_key_check(bdrv, file)) {
+ if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0) {
fprintf(stderr, "qemu: could not open disk image %s\n",
file);
return -1;
}
+ if (bdrv_key_required(bdrv))
+ autostart = 0;
return drives_table_idx;
}
return 0;
}
-static int usb_device_add(const char *devname)
+static int usb_device_add(const char *devname, int is_hotplug)
{
const char *p;
USBDevice *dev;
} else if (!strcmp(devname, "keyboard")) {
dev = usb_keyboard_init();
} else if (strstart(devname, "disk:", &p)) {
- dev = usb_msd_init(p);
+ BlockDriverState *bs;
+
+ dev = usb_msd_init(p, &bs);
+ if (!dev)
+ return -1;
+ if (bdrv_key_required(bs)) {
+ autostart = 0;
+ if (is_hotplug && monitor_read_bdrv_key(bs) < 0) {
+ dev->handle_destroy(dev);
+ return -1;
+ }
+ }
} else if (!strcmp(devname, "wacom-tablet")) {
dev = usb_wacom_init();
} else if (strstart(devname, "serial:", &p)) {
void do_usb_add(const char *devname)
{
- usb_device_add(devname);
+ usb_device_add(devname, 1);
}
void do_usb_del(const char *devname)
/* try transferring iterative blocks of memory */
if (stage == 3) {
- cpu_physical_memory_set_dirty_tracking(0);
/* flush all remaining blocks regardless of rate limiting */
while (ram_save_block(f) != 0);
+ cpu_physical_memory_set_dirty_tracking(0);
}
qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
#endif
"-tb-size n set TB size\n"
"-incoming p prepare for incoming migration, listen on port p\n"
+#ifndef _WIN32
+ "-chroot dir Chroot to dir just before starting the VM.\n"
+ "-runas user Change to user id user just before starting the VM.\n"
+#endif
"\n"
"During emulation, the following keys are useful:\n"
"ctrl-alt-f toggle full screen\n"
QEMU_OPTION_old_param,
QEMU_OPTION_tb_size,
QEMU_OPTION_incoming,
+ QEMU_OPTION_chroot,
+ QEMU_OPTION_runas,
};
typedef struct QEMUOption {
{ "boot", HAS_ARG, QEMU_OPTION_boot },
{ "snapshot", 0, QEMU_OPTION_snapshot },
{ "m", HAS_ARG, QEMU_OPTION_m },
-#ifndef _WIN32
{ "k", HAS_ARG, QEMU_OPTION_k },
-#endif
#ifdef HAS_AUDIO
{ "audio-help", 0, QEMU_OPTION_audio_help },
{ "soundhw", HAS_ARG, QEMU_OPTION_soundhw },
#endif
{ "tb-size", HAS_ARG, QEMU_OPTION_tb_size },
{ "incoming", HAS_ARG, QEMU_OPTION_incoming },
+ { "chroot", HAS_ARG, QEMU_OPTION_chroot },
+ { "runas", HAS_ARG, QEMU_OPTION_runas },
{ NULL },
};
-/* password input */
-
-int qemu_key_check(BlockDriverState *bs, const char *name)
-{
- char password[256];
- int i;
-
- if (!bdrv_is_encrypted(bs))
- return 0;
-
- term_printf("%s is encrypted.\n", name);
- for(i = 0; i < 3; i++) {
- monitor_readline("Password: ", 1, password, sizeof(password));
- if (bdrv_set_key(bs, password) == 0)
- return 0;
- term_printf("invalid password\n");
- }
- return -EPERM;
-}
-
-static BlockDriverState *get_bdrv(int index)
-{
- if (index > nb_drives)
- return NULL;
- return drives_table[index].bdrv;
-}
-
-static void read_passwords(void)
-{
- BlockDriverState *bs;
- int i;
-
- for(i = 0; i < 6; i++) {
- bs = get_bdrv(i);
- if (bs)
- qemu_key_check(bs, bdrv_get_device_name(bs));
- }
-}
-
#ifdef HAS_AUDIO
struct soundhw soundhw[] = {
#ifdef HAS_AUDIO_CHOICE
int fds[2];
int tb_size;
const char *pid_file = NULL;
- int autostart;
const char *incoming = NULL;
+ int fd = 0;
+ struct passwd *pwd = NULL;
+ const char *chroot_dir = NULL;
+ const char *run_as = NULL;
qemu_cache_utils_init(envp);
kernel_cmdline = "";
cyls = heads = secs = 0;
translation = BIOS_ATA_TRANSLATION_AUTO;
- monitor_device = "vc";
+ monitor_device = "vc:80Cx24C";
serial_devices[0] = "vc:80Cx24C";
for(i = 1; i < MAX_SERIAL_PORTS; i++)
case QEMU_OPTION_incoming:
incoming = optarg;
break;
+ case QEMU_OPTION_chroot:
+ chroot_dir = optarg;
+ break;
+ case QEMU_OPTION_runas:
+ run_as = optarg;
+ break;
}
}
}
cpu_exec_init_all(tb_size * 1024 * 1024);
bdrv_init();
+ dma_helper_init();
/* we always create the cdrom drive, even if no disk is there */
/* init USB devices */
if (usb_enabled) {
for(i = 0; i < usb_devices_index; i++) {
- if (usb_device_add(usb_devices[i]) < 0) {
+ if (usb_device_add(usb_devices[i], 0) < 0) {
fprintf(stderr, "Warning: could not add USB device %s\n",
usb_devices[i]);
}
}
text_consoles_set_display(display_state);
+ qemu_chr_initial_reset();
if (monitor_device && monitor_hd)
monitor_init(monitor_hd, !nographic);
qemu_start_incoming_migration(incoming);
}
- {
- /* XXX: simplify init */
- read_passwords();
- if (autostart) {
- vm_start();
- }
- }
+ if (autostart)
+ vm_start();
if (daemonize) {
uint8_t status = 0;
ssize_t len;
- int fd;
again1:
len = write(fds[1], &status, 1);
TFR(fd = open("/dev/null", O_RDWR));
if (fd == -1)
exit(1);
+ }
+
+#ifndef _WIN32
+ if (run_as) {
+ pwd = getpwnam(run_as);
+ if (!pwd) {
+ fprintf(stderr, "User \"%s\" doesn't exist\n", run_as);
+ exit(1);
+ }
+ }
- dup2(fd, 0);
- dup2(fd, 1);
- dup2(fd, 2);
+ if (chroot_dir) {
+ if (chroot(chroot_dir) < 0) {
+ fprintf(stderr, "chroot failed\n");
+ exit(1);
+ }
+ chdir("/");
+ }
+
+ if (run_as) {
+ if (setgid(pwd->pw_gid) < 0) {
+ fprintf(stderr, "Failed to setgid(%d)\n", pwd->pw_gid);
+ exit(1);
+ }
+ if (setuid(pwd->pw_uid) < 0) {
+ fprintf(stderr, "Failed to setuid(%d)\n", pwd->pw_uid);
+ exit(1);
+ }
+ if (setuid(0) != -1) {
+ fprintf(stderr, "Dropping privileges failed\n");
+ exit(1);
+ }
+ }
+#endif
+
+ if (daemonize) {
+ dup2(fd, 0);
+ dup2(fd, 1);
+ dup2(fd, 2);
- close(fd);
+ close(fd);
}
main_loop();
projects / qemu.git / blobdiff