diff options
Diffstat (limited to 'proc/host.c')
| -rw-r--r-- | proc/host.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/proc/host.c b/proc/host.c index afa8159e..3b1e03c8 100644 --- a/proc/host.c +++ b/proc/host.c @@ -1,5 +1,5 @@ /* Proc server host management calls - Copyright (C) 1992, 1993, 1994 Free Software Foundation + Copyright (C) 1992, 1993, 1994, 1996 Free Software Foundation This file is part of the GNU Hurd. @@ -62,6 +62,9 @@ kern_return_t S_proc_sethostid (struct proc *p, int newhostid) { + if (!p) + return EOPNOTSUPP; + if (! check_uid (p, 0)) return EPERM; @@ -75,6 +78,7 @@ kern_return_t S_proc_gethostid (struct proc *p, int *outhostid) { + /* No need to check P here; we don't use it. */ *outhostid = hostid; return 0; } @@ -86,6 +90,9 @@ S_proc_sethostname (struct proc *p, u_int newhostnamelen) { int len; + if (!p) + return EOPNOTSUPP; + if (! check_uid (p, 0)) return EPERM; @@ -113,6 +120,8 @@ S_proc_gethostname (struct proc *p, char **outhostname, u_int *outhostnamelen) { + /* No need to check P here; we don't use it. */ + if (*outhostnamelen < hostnamelen + 1) vm_allocate (mach_task_self (), (vm_address_t *)outhostname, hostnamelen + 1, 1); @@ -130,6 +139,9 @@ S_proc_getprivports (struct proc *p, mach_port_t *hostpriv, mach_port_t *devpriv) { + if (!p) + return EOPNOTSUPP; + if (! check_uid (p, 0)) return EPERM; @@ -150,6 +162,9 @@ S_proc_setexecdata (struct proc *p, int i; struct execdata_notify *n; + if (!p) + return EOPNOTSUPP; + if (!check_uid (p, 0)) return EPERM; @@ -186,6 +201,8 @@ S_proc_getexecdata (struct proc *p, int **ints, u_int *nints) { + /* No need to check P here; we don't use it. */ + /* XXX memory leak here */ if (!std_port_array) @@ -212,6 +229,8 @@ S_proc_execdata_notify (struct proc *p, struct execdata_notify *n = malloc (sizeof (struct execdata_notify)); mach_port_t foo; + /* No need to check P here; we don't use it. */ + n->notify_port = notify; n->next = execdata_notifys; execdata_notifys = n; @@ -427,6 +446,7 @@ kern_return_t S_proc_uname (pstruct_t process, struct utsname *uname) { + /* No need to check PROCESS here, we don't use it. */ *uname = uname_info; return 0; } @@ -440,6 +460,8 @@ S_proc_register_version (pstruct_t server, { int i; + /* No need to check SERVER here; we don't use it. */ + if (credential != master_host_port) /* Must be privileged to register for uname. */ return EPERM; |