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fix /proc/pid/mem, /proc/pid/status, /proc/pid/cmdline

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This commit is contained in:
Tomoki Shirasawa
2015-07-02 00:22:35 +09:00
parent fa79db3bcc
commit 59ee251e1c
8 changed files with 207 additions and 190 deletions
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41
executer/kernel/control.c
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@@ -786,6 +786,40 @@ struct mckernel_exec_file {
struct list_head list;
};
int
mcexec_getcred(unsigned long phys)
{
int *virt = phys_to_virt(phys);
virt[0] = current_uid();
virt[1] = current_euid();
virt[2] = current_suid();
virt[3] = current_fsuid();
virt[4] = current_gid();
virt[5] = current_egid();
virt[6] = current_sgid();
virt[7] = current_fsgid();
return 0;
}
int
mcexec_getcredv(int __user *virt)
{
int wk[8];
wk[0] = current_uid();
wk[1] = current_euid();
wk[2] = current_suid();
wk[3] = current_fsuid();
wk[4] = current_gid();
wk[5] = current_egid();
wk[6] = current_sgid();
wk[7] = current_fsgid();
if(copy_to_user(virt, wk, sizeof(int) * 8))
return -EFAULT;
return 0;
}
int mcexec_open_exec(ihk_os_t os, char * __user filename)
{
struct file *file;
@@ -957,6 +991,13 @@ long __mcctrl_control(ihk_os_t os, unsigned int req, unsigned long arg,
case MCEXEC_UP_FREE_DMA:
return mcexec_free_region(os, (unsigned long *)arg);
case MCEXEC_UP_GET_CRED:
return mcexec_getcred((unsigned long)arg);
case MCEXEC_UP_GET_CREDV:
return mcexec_getcredv((int *)arg);
case MCEXEC_UP_DEBUG_LOG:
return mcexec_debug_log(os, arg);
}

2
executer/kernel/driver.c
View File

@@ -65,6 +65,8 @@ static struct ihk_os_user_call_handler mcctrl_uchs[] = {
{ .request = MCEXEC_UP_FREE_DMA, .func = mcctrl_ioctl },
{ .request = MCEXEC_UP_OPEN_EXEC, .func = mcctrl_ioctl },
{ .request = MCEXEC_UP_CLOSE_EXEC, .func = mcctrl_ioctl },
{ .request = MCEXEC_UP_GET_CRED, .func = mcctrl_ioctl },
{ .request = MCEXEC_UP_GET_CREDV, .func = mcctrl_ioctl },
{ .request = MCEXEC_UP_DEBUG_LOG, .func = mcctrl_ioctl },
};