1 /*-
2 * Copyright (c) 1994 Sean Eric Fagan
3 * Copyright (c) 1994 Søren Schmidt
4 * Copyright (c) 1995 Steven Wallace
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer
12 * in this position and unchanged.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD: src/sys/i386/ibcs2/ibcs2_xenix.c,v 1.33 2003/06/02 06:48:51 obrien Exp $");
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/namei.h>
37 #include <sys/sysproto.h>
38 #include <sys/jail.h>
39 #include <sys/kernel.h>
40 #include <sys/filio.h>
41 #include <sys/vnode.h>
42 #include <sys/sysctl.h>
43
44 #include <machine/cpu.h>
45
46 #include <i386/ibcs2/ibcs2_types.h>
47 #include <i386/ibcs2/ibcs2_unistd.h>
48 #include <i386/ibcs2/ibcs2_signal.h>
49 #include <i386/ibcs2/ibcs2_util.h>
50 #include <i386/ibcs2/ibcs2_proto.h>
51 #include <i386/ibcs2/ibcs2_xenix.h>
52 #include <i386/ibcs2/ibcs2_xenix_syscall.h>
53
54
55 extern struct sysent xenix_sysent[];
56
57 int
58 ibcs2_xenix(struct thread *td, struct ibcs2_xenix_args *uap)
59 {
60 struct trapframe *tf = td->td_frame;
61 struct sysent *callp;
62 u_int code;
63
64 code = (tf->tf_eax & 0xff00) >> 8;
65 callp = &xenix_sysent[code];
66
67 if(code < IBCS2_XENIX_MAXSYSCALL)
68 return((*callp->sy_call)(td, (void *)uap));
69 else
70 return ENOSYS;
71 }
72
73 int
74 xenix_rdchk(td, uap)
75 struct thread *td;
76 struct xenix_rdchk_args *uap;
77 {
78 int error;
79 struct ioctl_args sa;
80 caddr_t sg = stackgap_init();
81
82 DPRINTF(("IBCS2: 'xenix rdchk'\n"));
83 sa.fd = uap->fd;
84 sa.com = FIONREAD;
85 sa.data = stackgap_alloc(&sg, sizeof(int));
86 if ((error = ioctl(td, &sa)) != 0)
87 return error;
88 td->td_retval[0] = (*((int*)sa.data)) ? 1 : 0;
89 return 0;
90 }
91
92 int
93 xenix_chsize(td, uap)
94 struct thread *td;
95 struct xenix_chsize_args *uap;
96 {
97 struct ftruncate_args sa;
98
99 DPRINTF(("IBCS2: 'xenix chsize'\n"));
100 sa.fd = uap->fd;
101 sa.pad = 0;
102 sa.length = uap->size;
103 return ftruncate(td, &sa);
104 }
105
106
107 int
108 xenix_ftime(td, uap)
109 struct thread *td;
110 struct xenix_ftime_args *uap;
111 {
112 struct timeval tv;
113 struct ibcs2_timeb {
114 unsigned long time __packed;
115 unsigned short millitm;
116 short timezone;
117 short dstflag;
118 } itb;
119
120 DPRINTF(("IBCS2: 'xenix ftime'\n"));
121 microtime(&tv);
122 itb.time = tv.tv_sec;
123 itb.millitm = (tv.tv_usec / 1000);
124 itb.timezone = tz_minuteswest;
125 itb.dstflag = tz_dsttime != DST_NONE;
126
127 return copyout((caddr_t)&itb, (caddr_t)uap->tp,
128 sizeof(struct ibcs2_timeb));
129 }
130
131 int
132 xenix_nap(struct thread *td, struct xenix_nap_args *uap)
133 {
134 long period;
135
136 DPRINTF(("IBCS2: 'xenix nap %d ms'\n", uap->millisec));
137 period = (long)uap->millisec / (1000/hz);
138 if (period)
139 while (tsleep(&period, PPAUSE, "nap", period)
140 != EWOULDBLOCK) ;
141 return 0;
142 }
143
144 int
145 xenix_utsname(struct thread *td, struct xenix_utsname_args *uap)
146 {
147 struct ibcs2_sco_utsname {
148 char sysname[9];
149 char nodename[9];
150 char release[16];
151 char kernelid[20];
152 char machine[9];
153 char bustype[9];
154 char sysserial[10];
155 unsigned short sysorigin;
156 unsigned short sysoem;
157 char numusers[9];
158 unsigned short numcpu;
159 } ibcs2_sco_uname;
160
161 DPRINTF(("IBCS2: 'xenix sco_utsname'\n"));
162 bzero(&ibcs2_sco_uname, sizeof(struct ibcs2_sco_utsname));
163 strncpy(ibcs2_sco_uname.sysname, ostype,
164 sizeof(ibcs2_sco_uname.sysname) - 1);
165 getcredhostname(td->td_ucred, ibcs2_sco_uname.nodename,
166 sizeof(ibcs2_sco_uname.nodename) - 1);
167 strncpy(ibcs2_sco_uname.release, osrelease,
168 sizeof(ibcs2_sco_uname.release) - 1);
169 strncpy(ibcs2_sco_uname.kernelid, version,
170 sizeof(ibcs2_sco_uname.kernelid) - 1);
171 strncpy(ibcs2_sco_uname.machine, machine,
172 sizeof(ibcs2_sco_uname.machine) - 1);
173 strncpy(ibcs2_sco_uname.bustype, "ISA/EISA",
174 sizeof(ibcs2_sco_uname.bustype) - 1);
175 strncpy(ibcs2_sco_uname.sysserial, "no charge",
176 sizeof(ibcs2_sco_uname.sysserial) - 1);
177 strncpy(ibcs2_sco_uname.numusers, "unlim",
178 sizeof(ibcs2_sco_uname.numusers) - 1);
179 ibcs2_sco_uname.sysorigin = 0xFFFF;
180 ibcs2_sco_uname.sysoem = 0xFFFF;
181 ibcs2_sco_uname.numcpu = 1;
182 return copyout((caddr_t)&ibcs2_sco_uname,
183 (caddr_t)(void *)(intptr_t)uap->addr,
184 sizeof(struct ibcs2_sco_utsname));
185 }
186
187 int
188 xenix_scoinfo(struct thread *td, struct xenix_scoinfo_args *uap)
189 {
190 /* scoinfo (not documented) */
191 td->td_retval[0] = 0;
192 return 0;
193 }
194
195 int
196 xenix_eaccess(struct thread *td, struct xenix_eaccess_args *uap)
197 {
198 struct ucred *cred = td->td_ucred;
199 struct vnode *vp;
200 struct nameidata nd;
201 int error, flags;
202 caddr_t sg = stackgap_init();
203
204 CHECKALTEXIST(td, &sg, uap->path);
205
206 NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE,
207 uap->path, td);
208 if ((error = namei(&nd)) != 0)
209 return error;
210 vp = nd.ni_vp;
211
212 /* Flags == 0 means only check for existence. */
213 if (uap->flags) {
214 flags = 0;
215 if (uap->flags & IBCS2_R_OK)
216 flags |= VREAD;
217 if (uap->flags & IBCS2_W_OK)
218 flags |= VWRITE;
219 if (uap->flags & IBCS2_X_OK)
220 flags |= VEXEC;
221 if ((flags & VWRITE) == 0 || (error = vn_writechk(vp)) == 0)
222 error = VOP_ACCESS(vp, flags, cred, td);
223 }
224 NDFREE(&nd, NDF_ONLY_PNBUF);
225 vput(vp);
226 return error;
227 }
Cache object: 5028ef5ecb7e2ad1913d50a9cb4ca373
|