linux32_time.c revision 1.8
1 /* $NetBSD: linux32_time.c,v 1.8 2007/03/04 06:01:25 christos 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 1.8 2007/03/04 06:01:25 christos 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/proc.h> 48 #include <sys/ucred.h> 49 #include <sys/swap.h> 50 51 #include <machine/types.h> 52 53 #include <sys/syscallargs.h> 54 55 #include <compat/netbsd32/netbsd32.h> 56 #include <compat/netbsd32/netbsd32_conv.h> 57 #include <compat/netbsd32/netbsd32_syscallargs.h> 58 59 #include <compat/linux/common/linux_types.h> 60 #include <compat/linux/common/linux_signal.h> 61 #include <compat/linux/common/linux_machdep.h> 62 #include <compat/linux/common/linux_misc.h> 63 #include <compat/linux/common/linux_oldolduname.h> 64 #include <compat/linux/linux_syscallargs.h> 65 66 #include <compat/linux32/common/linux32_types.h> 67 #include <compat/linux32/common/linux32_signal.h> 68 #include <compat/linux32/common/linux32_machdep.h> 69 #include <compat/linux32/common/linux32_sysctl.h> 70 #include <compat/linux32/common/linux32_socketcall.h> 71 #include <compat/linux32/linux32_syscallargs.h> 72 73 extern struct timezone linux_sys_tz; 74 int 75 linux32_sys_gettimeofday(l, v, retval) 76 struct lwp *l; 77 void *v; 78 register_t *retval; 79 { 80 struct linux32_sys_gettimeofday_args /* { 81 syscallarg(netbsd32_timevalp_t) tp; 82 syscallarg(netbsd32_timezonep_t) tzp; 83 } */ *uap = v; 84 struct timeval tv; 85 struct netbsd32_timeval tv32; 86 int error; 87 88 if (NETBSD32PTR64(SCARG(uap, tp)) != NULL) { 89 microtime(&tv); 90 netbsd32_from_timeval(&tv, &tv32); 91 if ((error = copyout(&tv32, 92 (void *)NETBSD32PTR64(SCARG(uap, tp)), 93 sizeof(tv32))) != 0) 94 return error; 95 } 96 97 /* timezone size does not change */ 98 if (NETBSD32PTR64(SCARG(uap, tzp)) != NULL) { 99 if ((error = copyout(&linux_sys_tz, 100 (void *)NETBSD32PTR64(SCARG(uap, tzp)), 101 sizeof(linux_sys_tz))) != 0) 102 return error; 103 } 104 105 return 0; 106 } 107 108 int 109 linux32_sys_settimeofday(l, v, retval) 110 struct lwp *l; 111 void *v; 112 register_t *retval; 113 { 114 struct linux32_sys_settimeofday_args /* { 115 syscallarg(netbsd32_timevalp_t) tp; 116 syscallarg(netbsd32_timezonep_t) tzp; 117 } */ *uap = v; 118 struct linux_sys_settimeofday_args ua; 119 120 NETBSD32TOP_UAP(tp, struct timeval); 121 NETBSD32TOP_UAP(tzp, struct timezone); 122 123 return linux_sys_settimeofday(l, &ua, retval); 124 } 125 126 int 127 linux32_sys_time(l, v, retval) 128 struct lwp *l; 129 void *v; 130 register_t *retval; 131 { 132 struct linux32_sys_time_args /* { 133 syscallcarg(linux32_timep_t) t; 134 } */ *uap = v; 135 struct timeval atv; 136 linux32_time_t tt; 137 int error; 138 139 microtime(&atv); 140 141 tt = (linux32_time_t)atv.tv_sec; 142 143 if (SCARG(uap, t) && (error = copyout(&tt, 144 NETBSD32PTR64(SCARG(uap, t)), sizeof(tt)))) 145 return error; 146 147 retval[0] = tt; 148 149 return 0; 150 } 151 152 153 int 154 linux32_sys_times(l, v, retval) 155 struct lwp *l; 156 void *v; 157 register_t *retval; 158 { 159 struct linux32_sys_times_args /* { 160 syscallarg(linux32_tmsp_t) tms; 161 } */ *uap = v; 162 struct linux32_tms ltms32; 163 struct linux_tms ltms; 164 struct linux_tms *ltmsp; 165 struct linux_sys_times_args ua; 166 void *sg = stackgap_init(l->l_proc, 0); 167 int error; 168 169 ltmsp = stackgap_alloc(l->l_proc, &sg, sizeof(*ltmsp)); 170 SCARG(&ua, tms) = (struct times *)ltmsp; 171 172 if ((error = linux_sys_times(l, &ua, retval)) != 0) 173 return error; 174 175 if ((error = copyin(ltmsp, <ms, sizeof(ltms))) != 0) 176 return error; 177 178 ltms32.ltms32_utime = (linux32_clock_t)ltms.ltms_utime; 179 ltms32.ltms32_stime = (linux32_clock_t)ltms.ltms_stime; 180 ltms32.ltms32_cutime = (linux32_clock_t)ltms.ltms_cutime; 181 ltms32.ltms32_cstime = (linux32_clock_t)ltms.ltms_cstime; 182 183 if ((error = copyout(<ms32, 184 NETBSD32PTR64(SCARG(uap, tms)), sizeof(ltms32))) != 0) 185 return error; 186 187 return 0; 188 } 189 190 int 191 linux32_sys_stime(l, v, retval) 192 struct lwp *l; 193 void *v; 194 register_t *retval; 195 { 196 struct linux32_sys_stime_args /* { 197 syscallarg(linux32_timep_t) t; 198 } */ *uap = v; 199 struct timespec ts; 200 linux32_time_t tt32; 201 int error; 202 203 if ((error = kauth_authorize_system(l->l_cred, 204 KAUTH_SYSTEM_TIME, KAUTH_REQ_SYSTEM_TIME_SYSTEM, NULL, NULL, 205 NULL)) != 0) 206 return error; 207 208 if ((error = copyin(&tt32, 209 NETBSD32PTR64(SCARG(uap, t)), 210 sizeof tt32)) != 0) 211 212 ts.tv_sec = (long)tt32; 213 ts.tv_nsec = 0; 214 215 return settime(l->l_proc, &ts); 216 } 217 218 int 219 linux32_sys_utime(l, v, retval) 220 struct lwp *l; 221 void *v; 222 register_t *retval; 223 { 224 struct linux32_sys_utime_args /* { 225 syscallarg(const netbsd32_charp) path; 226 syscallarg(linux32_utimbufp_t) times; 227 } */ *uap = v; 228 struct proc *p = l->l_proc; 229 void *sg = stackgap_init(p, 0); 230 struct sys_utimes_args ua; 231 struct timeval tv[2], *tvp; 232 struct linux32_utimbuf lut; 233 int error; 234 235 NETBSD32TOP_UAP(path, const char); 236 CHECK_ALT_EXIST(l, &sg, SCARG(&ua, path)); 237 238 239 if (NETBSD32PTR64(SCARG(uap, times)) != NULL) { 240 if ((error = copyin(NETBSD32PTR64(SCARG(uap, times)), 241 &lut, sizeof lut))) 242 return error; 243 244 tv[0].tv_sec = (long)lut.l_actime; 245 tv[0].tv_usec = 0; 246 tv[1].tv_sec = (long)lut.l_modtime; 247 tv[1].tv_usec = 0; 248 249 tvp = (struct timeval *) stackgap_alloc(p, &sg, sizeof(tv)); 250 251 if ((error = copyout(tv, tvp, sizeof(tv)))) 252 return error; 253 SCARG(&ua, tptr) = tvp; 254 } else { 255 SCARG(&ua, tptr) = NULL; 256 } 257 258 return sys_utimes(l, &ua, retval); 259 } 260
Indexes created Fri Sep 26 08:10:20 GMT 2025