X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=ipc%2Fshm.c;h=4f133d24030f386aa5749455111ec1fbe4da33fe;hb=be883da7594b0a2a02074e683673ae0e522566a4;hp=1c2faf62bc7301a823b26cee9ae738069e93aaa6;hpb=f1f76afd71e0f17af9a35fcb649f4bab53304a4d;p=linux-2.6 diff --git a/ipc/shm.c b/ipc/shm.c index 1c2faf62bc..4f133d2403 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -13,6 +13,8 @@ * Shared /dev/zero support, Kanoj Sarcar * Move the mm functionality over to mm/shmem.c, Christoph Rohland * + * support for audit of ipc object properties and permission changes + * Dustin Kirkland */ #include @@ -542,6 +544,10 @@ asmlinkage long sys_shmctl (int shmid, int cmd, struct shmid_ds __user *buf) if(err) goto out_unlock; + err = audit_ipc_obj(&(shp->shm_perm)); + if (err) + goto out_unlock; + if (!capable(CAP_IPC_LOCK)) { err = -EPERM; if (current->euid != shp->shm_perm.uid && @@ -594,6 +600,10 @@ asmlinkage long sys_shmctl (int shmid, int cmd, struct shmid_ds __user *buf) if(err) goto out_unlock_up; + err = audit_ipc_obj(&(shp->shm_perm)); + if (err) + goto out_unlock_up; + if (current->euid != shp->shm_perm.uid && current->euid != shp->shm_perm.cuid && !capable(CAP_SYS_ADMIN)) { @@ -627,12 +637,15 @@ asmlinkage long sys_shmctl (int shmid, int cmd, struct shmid_ds __user *buf) err=-EINVAL; if(shp==NULL) goto out_up; - if ((err = audit_ipc_perms(0, setbuf.uid, setbuf.gid, - setbuf.mode, &(shp->shm_perm)))) - goto out_unlock_up; err = shm_checkid(shp,shmid); if(err) goto out_unlock_up; + err = audit_ipc_obj(&(shp->shm_perm)); + if (err) + goto out_unlock_up; + err = audit_ipc_set_perm(0, setbuf.uid, setbuf.gid, setbuf.mode); + if (err) + goto out_unlock_up; err=-EPERM; if (current->euid != shp->shm_perm.uid && current->euid != shp->shm_perm.cuid &&