xref: /freebsd-11-stable/sys/i386/ibcs2/ibcs2_stat.c (revision 4ab2e064d7950be84256d671a7ae93f87cc6aa36)
1 /*-
2  * Copyright (c) 1995 Scott Bartram
3  * Copyright (c) 1995 Steven Wallace
4  * 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. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31 
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/namei.h>
35 #include <sys/fcntl.h>
36 #include <sys/file.h>
37 #include <sys/stat.h>
38 #include <sys/filedesc.h>
39 #include <sys/jail.h>
40 #include <sys/kernel.h>
41 #include <sys/malloc.h>
42 #include <sys/mount.h>
43 #include <sys/malloc.h>
44 #include <sys/vnode.h>
45 #include <sys/syscallsubr.h>
46 #include <sys/sysctl.h>
47 #include <sys/sysproto.h>
48 
49 #include <i386/ibcs2/ibcs2_signal.h>
50 #include <i386/ibcs2/ibcs2_stat.h>
51 #include <i386/ibcs2/ibcs2_statfs.h>
52 #include <i386/ibcs2/ibcs2_proto.h>
53 #include <i386/ibcs2/ibcs2_util.h>
54 #include <i386/ibcs2/ibcs2_utsname.h>
55 
56 
57 static void bsd_stat2ibcs_stat(struct stat *, struct ibcs2_stat *);
58 static int  cvt_statfs(struct statfs *, caddr_t, int);
59 
60 static void
bsd_stat2ibcs_stat(st,st4)61 bsd_stat2ibcs_stat(st, st4)
62 	struct stat *st;
63 	struct ibcs2_stat *st4;
64 {
65 	bzero(st4, sizeof(*st4));
66 	st4->st_dev  = (ibcs2_dev_t)st->st_dev;
67 	st4->st_ino  = (ibcs2_ino_t)st->st_ino;
68 	st4->st_mode = (ibcs2_mode_t)st->st_mode;
69 	st4->st_nlink= (ibcs2_nlink_t)st->st_nlink;
70 	st4->st_uid  = (ibcs2_uid_t)st->st_uid;
71 	st4->st_gid  = (ibcs2_gid_t)st->st_gid;
72 	st4->st_rdev = (ibcs2_dev_t)st->st_rdev;
73 	if (st->st_size < (quad_t)1 << 32)
74 		st4->st_size = (ibcs2_off_t)st->st_size;
75 	else
76 		st4->st_size = -2;
77 	st4->st_atim = (ibcs2_time_t)st->st_atim.tv_sec;
78 	st4->st_mtim = (ibcs2_time_t)st->st_mtim.tv_sec;
79 	st4->st_ctim = (ibcs2_time_t)st->st_ctim.tv_sec;
80 }
81 
82 static int
cvt_statfs(sp,buf,len)83 cvt_statfs(sp, buf, len)
84 	struct statfs *sp;
85 	caddr_t buf;
86 	int len;
87 {
88 	struct ibcs2_statfs ssfs;
89 
90 	if (len < 0)
91 		return (EINVAL);
92 	else if (len > sizeof(ssfs))
93 		len = sizeof(ssfs);
94 	bzero(&ssfs, sizeof ssfs);
95 	ssfs.f_fstyp = 0;
96 	ssfs.f_bsize = sp->f_bsize;
97 	ssfs.f_frsize = 0;
98 	ssfs.f_blocks = sp->f_blocks;
99 	ssfs.f_bfree = sp->f_bfree;
100 	ssfs.f_files = sp->f_files;
101 	ssfs.f_ffree = sp->f_ffree;
102 	ssfs.f_fname[0] = 0;
103 	ssfs.f_fpack[0] = 0;
104 	return copyout((caddr_t)&ssfs, buf, len);
105 }
106 
107 int
ibcs2_statfs(td,uap)108 ibcs2_statfs(td, uap)
109 	struct thread *td;
110 	struct ibcs2_statfs_args *uap;
111 {
112 	struct statfs *sf;
113 	char *path;
114 	int error;
115 
116 	CHECKALTEXIST(td, uap->path, &path);
117 	sf = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
118 	error = kern_statfs(td, path, UIO_SYSSPACE, sf);
119 	free(path, M_TEMP);
120 	if (error == 0)
121 		error = cvt_statfs(sf, (caddr_t)uap->buf, uap->len);
122 	free(sf, M_STATFS);
123 	return (error);
124 }
125 
126 int
ibcs2_fstatfs(td,uap)127 ibcs2_fstatfs(td, uap)
128 	struct thread *td;
129 	struct ibcs2_fstatfs_args *uap;
130 {
131 	struct statfs *sf;
132 	int error;
133 
134 	sf = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
135 	error = kern_fstatfs(td, uap->fd, sf);
136 	if (error == 0)
137 		error = cvt_statfs(sf, (caddr_t)uap->buf, uap->len);
138 	free(sf, M_STATFS);
139 	return (error);
140 }
141 
142 int
ibcs2_stat(td,uap)143 ibcs2_stat(td, uap)
144 	struct thread *td;
145 	struct ibcs2_stat_args *uap;
146 {
147 	struct ibcs2_stat ibcs2_st;
148 	struct stat st;
149 	char *path;
150 	int error;
151 
152 	CHECKALTEXIST(td, uap->path, &path);
153 
154 	error = kern_statat(td, 0, AT_FDCWD, path, UIO_SYSSPACE, &st, NULL);
155 	free(path, M_TEMP);
156 	if (error)
157 		return (error);
158 	bsd_stat2ibcs_stat(&st, &ibcs2_st);
159 	return copyout((caddr_t)&ibcs2_st, (caddr_t)uap->st,
160 		       ibcs2_stat_len);
161 }
162 
163 int
ibcs2_lstat(td,uap)164 ibcs2_lstat(td, uap)
165 	struct thread *td;
166 	struct ibcs2_lstat_args *uap;
167 {
168 	struct ibcs2_stat ibcs2_st;
169 	struct stat st;
170 	char *path;
171 	int error;
172 
173 	CHECKALTEXIST(td, uap->path, &path);
174 
175 	error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, path,
176 	    UIO_SYSSPACE, &st, NULL);
177 	free(path, M_TEMP);
178 	if (error)
179 		return (error);
180 	bsd_stat2ibcs_stat(&st, &ibcs2_st);
181 	return copyout((caddr_t)&ibcs2_st, (caddr_t)uap->st,
182 		       ibcs2_stat_len);
183 }
184 
185 int
ibcs2_fstat(td,uap)186 ibcs2_fstat(td, uap)
187 	struct thread *td;
188 	struct ibcs2_fstat_args *uap;
189 {
190 	struct ibcs2_stat ibcs2_st;
191 	struct stat st;
192 	int error;
193 
194 	error = kern_fstat(td, uap->fd, &st);
195 	if (error)
196 		return (error);
197 	bsd_stat2ibcs_stat(&st, &ibcs2_st);
198 	return copyout((caddr_t)&ibcs2_st, (caddr_t)uap->st,
199 		       ibcs2_stat_len);
200 }
201 
202 int
ibcs2_utssys(td,uap)203 ibcs2_utssys(td, uap)
204 	struct thread *td;
205 	struct ibcs2_utssys_args *uap;
206 {
207 	switch (uap->flag) {
208 	case 0:			/* uname(2) */
209 	{
210 		char machine_name[9], *p;
211 		struct ibcs2_utsname sut;
212 		bzero(&sut, ibcs2_utsname_len);
213 
214 		strncpy(sut.sysname,
215 			IBCS2_UNAME_SYSNAME, sizeof(sut.sysname) - 1);
216 		strncpy(sut.release,
217 			IBCS2_UNAME_RELEASE, sizeof(sut.release) - 1);
218 		strncpy(sut.version,
219 			IBCS2_UNAME_VERSION, sizeof(sut.version) - 1);
220 		getcredhostname(td->td_ucred, machine_name,
221 		    sizeof(machine_name) - 1);
222 		p = strchr(machine_name, '.');
223 		if ( p )
224 			*p = '\0';
225 		strncpy(sut.nodename, machine_name, sizeof(sut.nodename) - 1);
226 		strncpy(sut.machine, machine, sizeof(sut.machine) - 1);
227 
228 		DPRINTF(("IBCS2 uname: sys=%s rel=%s ver=%s node=%s mach=%s\n",
229 			 sut.sysname, sut.release, sut.version, sut.nodename,
230 			 sut.machine));
231 		return copyout((caddr_t)&sut, (caddr_t)uap->a1,
232 			       ibcs2_utsname_len);
233 	}
234 
235 	case 2:			/* ustat(2) */
236 	{
237 		return ENOSYS;	/* XXX - TODO */
238 	}
239 
240 	default:
241 		return ENOSYS;
242 	}
243 }
244