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Only the memory driver should be allowed access to SYS_IOPENABLE

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This commit is contained in:
Philip Homburg 2005-11-04 17:06:49 +00:00
parent ee80996c9a
commit 0b7fcbfd70
2 changed files with 3 additions and 3 deletions
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3
kernel/system.c
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@ -75,8 +75,7 @@ PUBLIC void sys_task()
caller_ptr = proc_addr(m.m_source);
/* See if the caller made a valid request and try to handle it. */
if (! (priv(caller_ptr)->s_call_mask & (1<<call_nr)) &&
m.m_type != SYS_IOPENABLE ) {
if (! (priv(caller_ptr)->s_call_mask & (1<<call_nr))) {
#if DEBUG_ENABLE_IPC_WARNINGS
kprintf("SYSTEM: request %d from %d denied.\n", call_nr,m.m_source);
#endif

3
kernel/table.c
View file

@ -83,7 +83,8 @@ PUBLIC char *t_stack[TOT_STACK_SPACE / sizeof(char *)];
#define FS_C (c(SYS_KILL) | c(SYS_VIRCOPY) | c(SYS_VIRVCOPY) | c(SYS_UMAP) | c(SYS_GETINFO) | c(SYS_EXIT) | c(SYS_TIMES) | c(SYS_SETALARM))
#define DRV_C (FS_C | c(SYS_SEGCTL) | c(SYS_IRQCTL) | c(SYS_INT86) | c(SYS_DEVIO) | c(SYS_VDEVIO) | c(SYS_SDEVIO))
#define TTY_C (DRV_C | c(SYS_ABORT))
#define MEM_C (DRV_C | c(SYS_PHYSCOPY) | c(SYS_PHYSVCOPY) | c(SYS_VM_MAP))
#define MEM_C (DRV_C | c(SYS_PHYSCOPY) | c(SYS_PHYSVCOPY) | c(SYS_VM_MAP) | \
c(SYS_IOPENABLE))
/* The system image table lists all programs that are part of the boot image.
* The order of the entries here MUST agree with the order of the programs