Minix/minix
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Miscellaneous legacy cleanup

Browse Source
This commit is contained in:
David van Moolenbroek
2011-11-07 21:11:30 +01:00
parent 3fbb50397c
commit b02c260ecb
12 changed files with 47 additions and 137 deletions
Download Patch File Download Diff File Expand all files Collapse all files

52
servers/pm/misc.c
View File

@@ -159,7 +159,9 @@ PUBLIC int do_getsysinfo()
size_t len;
int s;
/* This call leaks important information (the contents of registers). */
/* This call leaks important information. In the future, requests from
* non-system processes should be denied.
*/
if (mp->mp_effuid != 0)
{
printf("PM: unauthorized call of do_getsysinfo by proc %d '%s'\n",
@@ -168,15 +170,6 @@ PUBLIC int do_getsysinfo()
return EPERM;
}
/* This call should no longer be used by user applications. In the future,
* requests from non-system processes should be denied. For now, just warn.
*/
if (call_nr == GETSYSINFO)
{
printf("PM: obsolete call of do_getsysinfo() by proc %d '%s'\n",
mp->mp_endpoint, mp->mp_name);
}
switch(m_in.info_what) {
case SI_PROC_TAB: /* copy entire process table */
src_addr = (vir_bytes) mproc;
@@ -203,45 +196,6 @@ PUBLIC int do_getsysinfo()
return(OK);
}
/*===========================================================================*
* do_getsysinfo_up *
*===========================================================================*/
PUBLIC int do_getsysinfo_up()
{
vir_bytes src_addr, dst_addr;
struct loadinfo loadinfo;
size_t len, real_len;
int s;
printf("PM: obsolete call of do_getsysinfo_up() by proc %d '%s'\n",
mp->mp_endpoint, mp->mp_name);
switch(m_in.SIU_WHAT) {
case SIU_LOADINFO: /* loadinfo is obtained via PM */
if ((s = sys_getloadinfo(&loadinfo)) != OK)
return s;
src_addr = (vir_bytes) &loadinfo;
real_len = sizeof(struct loadinfo);
break;
case SIU_SYSTEMHZ:
src_addr = (vir_bytes) &system_hz;
real_len = sizeof(system_hz);
break;
default:
return(EINVAL);
}
/* Let application know what the length was. */
len = real_len;
if(len > m_in.SIU_LEN)
len = m_in.SIU_LEN;
dst_addr = (vir_bytes) m_in.SIU_WHERE;
if (OK != (s=sys_datacopy(SELF, src_addr, who_e, dst_addr, len)))
return(s);
return(real_len);
}
/*===========================================================================*
* do_getprocnr *
*===========================================================================*/