linux32_time.c revision 1.6
1 /* $NetBSD: linux32_time.c,v 1.6 2006/11/14 13:34:29 elad Exp $ */ 2 3 /*- 4 * Copyright (c) 2006 Emmanuel Dreyfus, all rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Emmanuel Dreyfus 17 * 4. The name of the author may not be used to endorse or promote 18 * products derived from this software without specific prior written 19 * permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE THE AUTHOR AND CONTRIBUTORS ``AS IS'' 22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 23 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 36 __KERNEL_RCSID(0, "$NetBSD: linux32_time.c,v 1.6 2006/11/14 13:34:29 elad Exp $"); 37 38 #include <sys/types.h> 39 #include <sys/param.h> 40 #include <sys/fstypes.h> 41 #include <sys/signal.h> 42 #include <sys/dirent.h> 43 #include <sys/kauth.h> 44 #include <sys/kernel.h> 45 #include <sys/fcntl.h> 46 #include <sys/select.h> 47 #include <sys/sa.h> 48 #include <sys/proc.h> 49 #include <sys/ucred.h> 50 #include <sys/swap.h> 51 52 #include <machine/types.h> 53 54 #include <sys/syscallargs.h> 55 56 #include <compat/netbsd32/netbsd32.h> 57 #include <compat/netbsd32/netbsd32_conv.h> 58 #include <compat/netbsd32/netbsd32_syscallargs.h> 59 60 #include <compat/linux/common/linux_types.h> 61 #include <compat/linux/common/linux_signal.h> 62 #include <compat/linux/common/linux_machdep.h> 63 #include <compat/linux/common/linux_misc.h> 64 #include <compat/linux/common/linux_oldolduname.h> 65 #include <compat/linux/linux_syscallargs.h> 66 67 #include <compat/linux32/common/linux32_types.h> 68 #include <compat/linux32/common/linux32_signal.h> 69 #include <compat/linux32/common/linux32_machdep.h> 70 #include <compat/linux32/common/linux32_sysctl.h> 71 #include <compat/linux32/common/linux32_socketcall.h> 72 #include <compat/linux32/linux32_syscallargs.h> 73 74 extern struct timezone linux_sys_tz; 75 int 76 linux32_sys_gettimeofday(l, v, retval) 77 struct lwp *l; 78 void *v; 79 register_t *retval; 80 { 81 struct linux32_sys_gettimeofday_args /* { 82 syscallarg(netbsd32_timevalp_t) tp; 83 syscallarg(netbsd32_timezonep_t) tzp; 84 } */ *uap = v; 85 struct timeval tv; 86 struct netbsd32_timeval tv32; 87 int error; 88 89 if (NETBSD32PTR64(SCARG(uap, tp)) != NULL) { 90 microtime(&tv); 91 netbsd32_from_timeval(&tv, &tv32); 92 if ((error = copyout(&tv32, 93 (caddr_t)NETBSD32PTR64(SCARG(uap, tp)), 94 sizeof(tv32))) != 0) 95 return error; 96 } 97 98 /* timezone size does not change */ 99 if (NETBSD32PTR64(SCARG(uap, tzp)) != NULL) { 100 if ((error = copyout(&linux_sys_tz, 101 (caddr_t)NETBSD32PTR64(SCARG(uap, tzp)), 102 sizeof(linux_sys_tz))) != 0) 103 return error; 104 } 105 106 return 0; 107 } 108 109 int 110 linux32_sys_settimeofday(l, v, retval) 111 struct lwp *l; 112 void *v; 113 register_t *retval; 114 { 115 struct linux32_sys_settimeofday_args /* { 116 syscallarg(netbsd32_timevalp_t) tp; 117 syscallarg(netbsd32_timezonep_t) tzp; 118 } */ *uap = v; 119 struct linux_sys_settimeofday_args ua; 120 121 NETBSD32TOP_UAP(tp, struct timeval); 122 NETBSD32TOP_UAP(tzp, struct timezone); 123 124 return linux_sys_settimeofday(l, &ua, retval); 125 } 126 127 int 128 linux32_sys_time(l, v, retval) 129 struct lwp *l; 130 void *v; 131 register_t *retval; 132 { 133 struct linux32_sys_time_args /* { 134 syscallcarg(linux32_timep_t) t; 135 } */ *uap = v; 136 struct timeval atv; 137 linux32_time_t tt; 138 int error; 139 140 microtime(&atv); 141 142 tt = (linux32_time_t)atv.tv_sec; 143 144 if (SCARG(uap, t) && (error = copyout(&tt, 145 NETBSD32PTR64(SCARG(uap, t)), sizeof(tt)))) 146 return error; 147 148 retval[0] = tt; 149 150 return 0; 151 } 152 153 154 int 155 linux32_sys_times(l, v, retval) 156 struct lwp *l; 157 void *v; 158 register_t *retval; 159 { 160 struct linux32_sys_times_args /* { 161 syscallarg(linux32_tmsp_t) tms; 162 } */ *uap = v; 163 struct linux32_tms ltms32; 164 struct linux_tms ltms; 165 struct linux_tms *ltmsp; 166 struct linux_sys_times_args ua; 167 caddr_t sg = stackgap_init(l->l_proc, 0); 168 int error; 169 170 ltmsp = stackgap_alloc(l->l_proc, &sg, sizeof(*ltmsp)); 171 SCARG(&ua, tms) = (struct times *)ltmsp; 172 173 if ((error = linux_sys_times(l, &ua, retval)) != 0) 174 return error; 175 176 if ((error = copyin(ltmsp, <ms, sizeof(ltms))) != 0) 177 return error; 178 179 ltms32.ltms32_utime = (linux32_clock_t)ltms.ltms_utime; 180 ltms32.ltms32_stime = (linux32_clock_t)ltms.ltms_stime; 181 ltms32.ltms32_cutime = (linux32_clock_t)ltms.ltms_cutime; 182 ltms32.ltms32_cstime = (linux32_clock_t)ltms.ltms_cstime; 183 184 if ((error = copyout(<ms32, 185 NETBSD32PTR64(SCARG(uap, tms)), sizeof(ltms32))) != 0) 186 return error; 187 188 return 0; 189 } 190 191 int 192 linux32_sys_stime(l, v, retval) 193 struct lwp *l; 194 void *v; 195 register_t *retval; 196 { 197 struct linux32_sys_stime_args /* { 198 syscallarg(linux32_timep_t) t; 199 } */ *uap = v; 200 struct timespec ts; 201 linux32_time_t tt32; 202 int error; 203 204 if ((error = kauth_authorize_system(l->l_cred, 205 KAUTH_SYSTEM_TIME, KAUTH_REQ_SYSTEM_TIME_SYSTEM, NULL, NULL, 206 NULL)) != 0) 207 return error; 208 209 if ((error = copyin(&tt32, 210 NETBSD32PTR64(SCARG(uap, t)), 211 sizeof tt32)) != 0) 212 213 ts.tv_sec = (long)tt32; 214 ts.tv_nsec = 0; 215 216 return settime(l->l_proc, &ts); 217 } 218 219 int 220 linux32_sys_utime(l, v, retval) 221 struct lwp *l; 222 void *v; 223 register_t *retval; 224 { 225 struct linux32_sys_utime_args /* { 226 syscallarg(const netbsd32_charp) path; 227 syscallarg(linux32_utimbufp_t) times; 228 } */ *uap = v; 229 struct proc *p = l->l_proc; 230 caddr_t sg = stackgap_init(p, 0); 231 struct sys_utimes_args ua; 232 struct timeval tv[2], *tvp; 233 struct linux32_utimbuf lut; 234 int error; 235 236 NETBSD32TOP_UAP(path, const char); 237 CHECK_ALT_EXIST(l, &sg, SCARG(&ua, path)); 238 239 240 if (NETBSD32PTR64(SCARG(uap, times)) != NULL) { 241 if ((error = copyin(NETBSD32PTR64(SCARG(uap, times)), 242 &lut, sizeof lut))) 243 return error; 244 245 tv[0].tv_sec = (long)lut.l_actime; 246 tv[0].tv_usec = 0; 247 tv[1].tv_sec = (long)lut.l_modtime; 248 tv[1].tv_usec = 0; 249 250 tvp = (struct timeval *) stackgap_alloc(p, &sg, sizeof(tv)); 251 252 if ((error = copyout(tv, tvp, sizeof(tv)))) 253 return error; 254 SCARG(&ua, tptr) = tvp; 255 } else { 256 SCARG(&ua, tptr) = NULL; 257 } 258 259 return sys_utimes(l, &ua, retval); 260 } 261
Indexes created Mon Sep 22 13:09:51 GMT 2025