| kern_resource.c (3098) | kern_resource.c (3291) |
|---|---|
| 1/*- 2 * Copyright (c) 1982, 1986, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. --- 22 unchanged lines hidden (view full) --- 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)kern_resource.c 8.5 (Berkeley) 1/21/94 | 1/*- 2 * Copyright (c) 1982, 1986, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. --- 22 unchanged lines hidden (view full) --- 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)kern_resource.c 8.5 (Berkeley) 1/21/94 |
| 39 * $Id: kern_resource.c,v 1.4 1994/09/01 05:12:40 davidg Exp $ | 39 * $Id: kern_resource.c,v 1.5 1994/09/25 19:33:42 phk Exp $ |
| 40 */ 41 42#include <sys/param.h> 43#include <sys/systm.h> 44#include <sys/kernel.h> 45#include <sys/file.h> 46#include <sys/resourcevar.h> 47#include <sys/malloc.h> --- 142 unchanged lines hidden (view full) --- 190 return (EACCES); 191 chgp->p_nice = n; 192 (void)resetpriority(chgp); 193 return (0); 194} 195 196/* rtprio system call */ 197struct rtprio_args { | 40 */ 41 42#include <sys/param.h> 43#include <sys/systm.h> 44#include <sys/kernel.h> 45#include <sys/file.h> 46#include <sys/resourcevar.h> 47#include <sys/malloc.h> --- 142 unchanged lines hidden (view full) --- 190 return (EACCES); 191 chgp->p_nice = n; 192 (void)resetpriority(chgp); 193 return (0); 194} 195 196/* rtprio system call */ 197struct rtprio_args { |
| 198 int who; 199 pid_t rtprio; | 198 int function; 199 pid_t pid; 200 struct rtprio *rtprio; |
| 200}; 201 202/* 203 * Set realtime priority 204 */ 205 206/* ARGSUSED */ 207int 208rtprio(curp, uap, retval) 209 struct proc *curp; 210 register struct rtprio_args *uap; 211 int *retval; 212{ 213 register struct proc *p; | 201}; 202 203/* 204 * Set realtime priority 205 */ 206 207/* ARGSUSED */ 208int 209rtprio(curp, uap, retval) 210 struct proc *curp; 211 register struct rtprio_args *uap; 212 int *retval; 213{ 214 register struct proc *p; |
| 214 register int n = uap->rtprio; | |
| 215 register struct pcred *pcred = curp->p_cred; | 215 register struct pcred *pcred = curp->p_cred; |
| 216 struct rtprio rtp; 217 int error; |
|
| 216 | 218 |
| 217 if (uap->who == 0) | 219 error = copyin(uap->rtprio, &rtp, sizeof(struct rtprio)); 220 if (error) 221 return (error); 222 223 if (uap->pid == 0) |
| 218 p = curp; 219 else | 224 p = curp; 225 else |
| 220 p = pfind(uap->who); | 226 p = pfind(uap->pid); |
| 221 222 if (p == 0) 223 return (ESRCH); 224 | 227 228 if (p == 0) 229 return (ESRCH); 230 |
| 225 if (n == RTPRIO_NOCHG) { 226 *retval = (int)p->p_rtprio; 227 return(0); } | 231 switch (uap->function) { 232 case RTP_LOOKUP: 233 return (copyout(&p->p_rtprio, uap->rtprio, sizeof(struct rtprio))); 234 case RTP_SET: 235 if (pcred->pc_ucred->cr_uid && pcred->p_ruid && 236 pcred->pc_ucred->cr_uid != p->p_ucred->cr_uid && 237 pcred->p_ruid != p->p_ucred->cr_uid) 238 return (EPERM); 239 /* disallow setting rtprio in most cases if not superuser */ 240 if (suser(pcred->pc_ucred, &curp->p_acflag)) { 241 /* can't set someone else's */ 242 if (uap->pid) 243 return (EPERM); 244 /* can't set realtime priority */ 245 if (rtp.type == RTP_PRIO_REALTIME) 246 return (EPERM); 247 } 248 switch (rtp.type) { 249 case RTP_PRIO_REALTIME: 250 case RTP_PRIO_NORMAL: 251 case RTP_PRIO_IDLE: 252 if (rtp.prio > RTP_PRIO_MAX) 253 return (EINVAL); 254 p->p_rtprio = rtp; 255 return (0); 256 default: 257 return (EINVAL); 258 } 259 260 default: 261 return (EINVAL); 262 } 263} |
| 228 | 264 |
| 229 if (pcred->pc_ucred->cr_uid && pcred->p_ruid && 230 pcred->pc_ucred->cr_uid != p->p_ucred->cr_uid && 231 pcred->p_ruid != p->p_ucred->cr_uid) 232 return (EPERM); 233 234 if (n == RTPRIO_RTOFF) { 235 if(suser(pcred->pc_ucred, &curp->p_acflag)&& !uap->who) 236 return (EPERM); 237 p->p_rtprio = RTPRIO_RTOFF; 238 *retval = RTPRIO_RTOFF; 239 return (0); } 240 241 if (n > RTPRIO_MAX) 242 return (EINVAL); 243 if (n < RTPRIO_MIN) 244 return (EINVAL); 245 if (suser(pcred->pc_ucred, &curp->p_acflag)) 246 return (EPERM); 247 248 p->p_rtprio = n; 249 250 *retval = (int)p->p_rtprio; 251 return (0); 252}; 253 | |
| 254#if defined(COMPAT_43) || defined(COMPAT_SUNOS) 255struct setrlimit_args { 256 u_int which; 257 struct orlimit *lim; 258}; 259/* ARGSUSED */ 260int 261osetrlimit(p, uap, retval) --- 285 unchanged lines hidden --- | 265#if defined(COMPAT_43) || defined(COMPAT_SUNOS) 266struct setrlimit_args { 267 u_int which; 268 struct orlimit *lim; 269}; 270/* ARGSUSED */ 271int 272osetrlimit(p, uap, retval) --- 285 unchanged lines hidden --- |