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Move chroot handling to OS specific files. 

Move chroot handling to OS specific files.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Acked-by: Juan Quintela <quintela@redhat.com>
Acked-by: Richard Henderson <rth@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Jes Sorensen 2010-06-10 11:42:27 +02:00 committed by Blue Swirl
parent 8847cfe8aa
commit 0766379d4c
4 changed files with 22 additions and 17 deletions
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19
os-posix.c
View File

@ -38,6 +38,7 @@
#include "qemu-options.h"
static struct passwd *user_pwd;
static const char *chroot_dir;
void os_setup_early_signal_handling(void)
{
@ -156,6 +157,9 @@ void os_parse_cmd_args(int index, const char *optarg)
exit(1);
}
break;
case QEMU_OPTION_chroot:
chroot_dir = optarg;
break;
}
return;
}
@ -177,3 +181,18 @@ void os_change_process_uid(void)
}
}
}
void os_change_root(void)
{
if (chroot_dir) {
if (chroot(chroot_dir) < 0) {
fprintf(stderr, "chroot failed\n");
exit(1);
}
if (chdir("/")) {
perror("not able to chdir to /");
exit(1);
}
}
}

1
qemu-os-posix.h
View File

@ -32,5 +32,6 @@ static inline void os_host_main_loop_wait(int *timeout)
void os_setup_signal_handling(void);
void os_change_process_uid(void);
void os_change_root(void);
#endif

1
qemu-os-win32.h
View File

@ -44,5 +44,6 @@ void os_host_main_loop_wait(int *timeout);
static inline void os_setup_signal_handling(void) {}
static inline void os_change_process_uid(void) {}
static inline void os_change_root(void) {}
#endif

18
vl.c
View File

@ -2309,7 +2309,6 @@ int main(int argc, char **argv, char **envp)
const char *incoming = NULL;
#ifndef _WIN32
int fd = 0;
const char *chroot_dir = NULL;
#endif
int show_vnc_port = 0;
int defconfig = 1;
@ -3053,11 +3052,6 @@ int main(int argc, char **argv, char **envp)
default_cdrom = 0;
default_sdcard = 0;
break;
#ifndef _WIN32
case QEMU_OPTION_chroot:
chroot_dir = optarg;
break;
#endif
case QEMU_OPTION_xen_domid:
if (!(xen_available())) {
printf("Option %s not supported for this target\n", popt->name);
@ -3548,17 +3542,7 @@ int main(int argc, char **argv, char **envp)
exit(1);
}
if (chroot_dir) {
if (chroot(chroot_dir) < 0) {
fprintf(stderr, "chroot failed\n");
exit(1);
}
if (chdir("/")) {
perror("not able to chdir to /");
exit(1);
}
}
os_change_root();
os_change_process_uid();
if (daemonize) {