| kern_sharedpage.c (182371) | kern_sharedpage.c (182905) |
|---|---|
| 1/*- 2 * Copyright (c) 1993, David Greenman 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 1993, David Greenman 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> |
| 28__FBSDID("$FreeBSD: head/sys/kern/kern_exec.c 182371 2008-08-28 15:23:18Z attilio $"); | 28__FBSDID("$FreeBSD: head/sys/kern/kern_exec.c 182905 2008-09-10 13:16:41Z trasz $"); |
| 29 30#include "opt_hwpmc_hooks.h" 31#include "opt_kdtrace.h" 32#include "opt_ktrace.h" 33#include "opt_mac.h" 34#include "opt_vm.h" 35 36#include <sys/param.h> --- 20 unchanged lines hidden (view full) --- 57#include <sys/resourcevar.h> 58#include <sys/sdt.h> 59#include <sys/sf_buf.h> 60#include <sys/syscallsubr.h> 61#include <sys/sysent.h> 62#include <sys/shm.h> 63#include <sys/sysctl.h> 64#include <sys/vnode.h> | 29 30#include "opt_hwpmc_hooks.h" 31#include "opt_kdtrace.h" 32#include "opt_ktrace.h" 33#include "opt_mac.h" 34#include "opt_vm.h" 35 36#include <sys/param.h> --- 20 unchanged lines hidden (view full) --- 57#include <sys/resourcevar.h> 58#include <sys/sdt.h> 59#include <sys/sf_buf.h> 60#include <sys/syscallsubr.h> 61#include <sys/sysent.h> 62#include <sys/shm.h> 63#include <sys/sysctl.h> 64#include <sys/vnode.h> |
| 65#include <sys/stat.h> |
|
| 65#ifdef KTRACE 66#include <sys/ktrace.h> 67#endif 68 69#include <vm/vm.h> 70#include <vm/vm_param.h> 71#include <vm/pmap.h> 72#include <vm/vm_page.h> --- 544 unchanged lines hidden (view full) --- 617 * Don't honor setuid/setgid if the filesystem prohibits it or if 618 * the process is being traced. 619 * 620 * XXXMAC: For the time being, use NOSUID to also prohibit 621 * transitions on the file system. 622 */ 623 oldcred = p->p_ucred; 624 credential_changing = 0; | 66#ifdef KTRACE 67#include <sys/ktrace.h> 68#endif 69 70#include <vm/vm.h> 71#include <vm/vm_param.h> 72#include <vm/pmap.h> 73#include <vm/vm_page.h> --- 544 unchanged lines hidden (view full) --- 618 * Don't honor setuid/setgid if the filesystem prohibits it or if 619 * the process is being traced. 620 * 621 * XXXMAC: For the time being, use NOSUID to also prohibit 622 * transitions on the file system. 623 */ 624 oldcred = p->p_ucred; 625 credential_changing = 0; |
| 625 credential_changing |= (attr.va_mode & VSUID) && oldcred->cr_uid != | 626 credential_changing |= (attr.va_mode & S_ISUID) && oldcred->cr_uid != |
| 626 attr.va_uid; | 627 attr.va_uid; |
| 627 credential_changing |= (attr.va_mode & VSGID) && oldcred->cr_gid != | 628 credential_changing |= (attr.va_mode & S_ISGID) && oldcred->cr_gid != |
| 628 attr.va_gid; 629#ifdef MAC 630 will_transition = mac_vnode_execve_will_transition(oldcred, imgp->vp, 631 interpvplabel, imgp); 632 credential_changing |= will_transition; 633#endif 634 635 if (credential_changing && --- 34 unchanged lines hidden (view full) --- 670 vn_lock(imgp->vp, LK_EXCLUSIVE | LK_RETRY); 671 if (error != 0) 672 goto done1; 673 PROC_LOCK(p); 674 /* 675 * Set the new credentials. 676 */ 677 crcopy(newcred, oldcred); | 629 attr.va_gid; 630#ifdef MAC 631 will_transition = mac_vnode_execve_will_transition(oldcred, imgp->vp, 632 interpvplabel, imgp); 633 credential_changing |= will_transition; 634#endif 635 636 if (credential_changing && --- 34 unchanged lines hidden (view full) --- 671 vn_lock(imgp->vp, LK_EXCLUSIVE | LK_RETRY); 672 if (error != 0) 673 goto done1; 674 PROC_LOCK(p); 675 /* 676 * Set the new credentials. 677 */ 678 crcopy(newcred, oldcred); |
| 678 if (attr.va_mode & VSUID) | 679 if (attr.va_mode & S_ISUID) |
| 679 change_euid(newcred, euip); | 680 change_euid(newcred, euip); |
| 680 if (attr.va_mode & VSGID) | 681 if (attr.va_mode & S_ISGID) |
| 681 change_egid(newcred, attr.va_gid); 682#ifdef MAC 683 if (will_transition) { 684 mac_vnode_execve_transition(oldcred, newcred, imgp->vp, 685 interpvplabel, imgp); 686 } 687#endif 688 /* --- 714 unchanged lines hidden --- | 682 change_egid(newcred, attr.va_gid); 683#ifdef MAC 684 if (will_transition) { 685 mac_vnode_execve_transition(oldcred, newcred, imgp->vp, 686 interpvplabel, imgp); 687 } 688#endif 689 /* --- 714 unchanged lines hidden --- |