1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1994 Sean Eric Fagan
5 * Copyright (c) 1994 Søren Schmidt
6 * Copyright (c) 1995 Steven Wallace
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer
14 * in this position and unchanged.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD: releng/12.0/sys/i386/ibcs2/ibcs2_xenix.c 326260 2017-11-27 15:08:52Z pfg $");
35
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/fcntl.h>
39 #include <sys/namei.h>
40 #include <sys/sysproto.h>
41 #include <sys/clock.h>
42 #include <sys/jail.h>
43 #include <sys/kernel.h>
44 #include <sys/malloc.h>
45 #include <sys/filio.h>
46 #include <sys/vnode.h>
47 #include <sys/syscallsubr.h>
48 #include <sys/sysctl.h>
49 #include <sys/sysent.h>
50 #include <sys/unistd.h>
51
52 #include <machine/cpu.h>
53
54 #include <i386/ibcs2/ibcs2_types.h>
55 #include <i386/ibcs2/ibcs2_unistd.h>
56 #include <i386/ibcs2/ibcs2_signal.h>
57 #include <i386/ibcs2/ibcs2_util.h>
58 #include <i386/ibcs2/ibcs2_proto.h>
59 #include <i386/ibcs2/ibcs2_xenix.h>
60 #include <i386/ibcs2/ibcs2_xenix_syscall.h>
61
62
63 extern struct sysent xenix_sysent[];
64
65 int
66 ibcs2_xenix(struct thread *td, struct ibcs2_xenix_args *uap)
67 {
68 struct trapframe *tf = td->td_frame;
69 struct sysent *callp;
70 u_int code;
71 int error;
72
73 code = (tf->tf_eax & 0xff00) >> 8;
74 callp = &xenix_sysent[code];
75
76 if (code < IBCS2_XENIX_MAXSYSCALL)
77 error = ((*callp->sy_call)(td, (void *)uap));
78 else
79 error = ENOSYS;
80 return (error);
81 }
82
83 int
84 xenix_rdchk(td, uap)
85 struct thread *td;
86 struct xenix_rdchk_args *uap;
87 {
88 int data, error;
89
90 DPRINTF(("IBCS2: 'xenix rdchk'\n"));
91
92 error = kern_ioctl(td, uap->fd, FIONREAD, (caddr_t)&data);
93 if (error)
94 return (error);
95 td->td_retval[0] = data ? 1 : 0;
96 return (0);
97 }
98
99 int
100 xenix_chsize(td, uap)
101 struct thread *td;
102 struct xenix_chsize_args *uap;
103 {
104 struct ftruncate_args sa;
105
106 DPRINTF(("IBCS2: 'xenix chsize'\n"));
107 sa.fd = uap->fd;
108 sa.length = uap->size;
109 return sys_ftruncate(td, &sa);
110 }
111
112
113 int
114 xenix_ftime(td, uap)
115 struct thread *td;
116 struct xenix_ftime_args *uap;
117 {
118 struct timeval tv;
119 struct ibcs2_timeb {
120 unsigned long time __packed;
121 unsigned short millitm;
122 short timezone;
123 short dstflag;
124 } itb;
125
126 DPRINTF(("IBCS2: 'xenix ftime'\n"));
127 microtime(&tv);
128 itb.time = tv.tv_sec;
129 itb.millitm = (tv.tv_usec / 1000);
130 itb.timezone = tz_minuteswest;
131 itb.dstflag = tz_dsttime != DST_NONE;
132
133 return copyout((caddr_t)&itb, (caddr_t)uap->tp,
134 sizeof(struct ibcs2_timeb));
135 }
136
137 int
138 xenix_nap(struct thread *td, struct xenix_nap_args *uap)
139 {
140 long period;
141
142 DPRINTF(("IBCS2: 'xenix nap %d ms'\n", uap->millisec));
143 period = (long)uap->millisec / (1000/hz);
144 if (period)
145 pause("nap", period);
146 return 0;
147 }
148
149 int
150 xenix_utsname(struct thread *td, struct xenix_utsname_args *uap)
151 {
152 struct ibcs2_sco_utsname {
153 char sysname[9];
154 char nodename[9];
155 char release[16];
156 char kernelid[20];
157 char machine[9];
158 char bustype[9];
159 char sysserial[10];
160 unsigned short sysorigin;
161 unsigned short sysoem;
162 char numusers[9];
163 unsigned short numcpu;
164 } ibcs2_sco_uname;
165
166 DPRINTF(("IBCS2: 'xenix sco_utsname'\n"));
167 bzero(&ibcs2_sco_uname, sizeof(struct ibcs2_sco_utsname));
168 strncpy(ibcs2_sco_uname.sysname, ostype,
169 sizeof(ibcs2_sco_uname.sysname) - 1);
170 getcredhostname(td->td_ucred, ibcs2_sco_uname.nodename,
171 sizeof(ibcs2_sco_uname.nodename) - 1);
172 strncpy(ibcs2_sco_uname.release, osrelease,
173 sizeof(ibcs2_sco_uname.release) - 1);
174 strncpy(ibcs2_sco_uname.kernelid, version,
175 sizeof(ibcs2_sco_uname.kernelid) - 1);
176 strncpy(ibcs2_sco_uname.machine, machine,
177 sizeof(ibcs2_sco_uname.machine) - 1);
178 strncpy(ibcs2_sco_uname.bustype, "ISA/EISA",
179 sizeof(ibcs2_sco_uname.bustype) - 1);
180 strncpy(ibcs2_sco_uname.sysserial, "no charge",
181 sizeof(ibcs2_sco_uname.sysserial) - 1);
182 strncpy(ibcs2_sco_uname.numusers, "unlim",
183 sizeof(ibcs2_sco_uname.numusers) - 1);
184 ibcs2_sco_uname.sysorigin = 0xFFFF;
185 ibcs2_sco_uname.sysoem = 0xFFFF;
186 ibcs2_sco_uname.numcpu = 1;
187 return copyout((caddr_t)&ibcs2_sco_uname,
188 (caddr_t)(void *)(intptr_t)uap->addr,
189 sizeof(struct ibcs2_sco_utsname));
190 }
191
192 int
193 xenix_scoinfo(struct thread *td, struct xenix_scoinfo_args *uap)
194 {
195 /* scoinfo (not documented) */
196 td->td_retval[0] = 0;
197 return 0;
198 }
199
200 int
201 xenix_eaccess(struct thread *td, struct xenix_eaccess_args *uap)
202 {
203 char *path;
204 int error, bsd_flags;
205
206 bsd_flags = 0;
207 if (uap->flags & IBCS2_R_OK)
208 bsd_flags |= R_OK;
209 if (uap->flags & IBCS2_W_OK)
210 bsd_flags |= W_OK;
211 if (uap->flags & IBCS2_X_OK)
212 bsd_flags |= X_OK;
213
214 CHECKALTEXIST(td, uap->path, &path);
215 error = kern_accessat(td, AT_FDCWD, path, UIO_SYSSPACE,
216 AT_EACCESS, bsd_flags);
217 free(path, M_TEMP);
218 return (error);
219 }
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