netbsd32_compat_20.c revision 1.28.18.2
1 1.28.18.1 tls /* $NetBSD: netbsd32_compat_20.c,v 1.28.18.2 2017/12/03 11:36:55 jdolecek Exp $ */ 2 1.1 cube 3 1.1 cube /* 4 1.1 cube * Copyright (c) 1998, 2001 Matthew R. Green 5 1.1 cube * All rights reserved. 6 1.1 cube * 7 1.1 cube * Redistribution and use in source and binary forms, with or without 8 1.1 cube * modification, are permitted provided that the following conditions 9 1.1 cube * are met: 10 1.1 cube * 1. Redistributions of source code must retain the above copyright 11 1.1 cube * notice, this list of conditions and the following disclaimer. 12 1.1 cube * 2. Redistributions in binary form must reproduce the above copyright 13 1.1 cube * notice, this list of conditions and the following disclaimer in the 14 1.1 cube * documentation and/or other materials provided with the distribution. 15 1.1 cube * 16 1.1 cube * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 1.1 cube * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 1.1 cube * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 1.1 cube * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 1.1 cube * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 1.1 cube * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 1.1 cube * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 1.1 cube * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 1.1 cube * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.1 cube * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.1 cube * SUCH DAMAGE. 27 1.1 cube */ 28 1.1 cube 29 1.1 cube #include <sys/cdefs.h> 30 1.28.18.1 tls __KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_20.c,v 1.28.18.2 2017/12/03 11:36:55 jdolecek Exp $"); 31 1.1 cube 32 1.1 cube #include <sys/param.h> 33 1.1 cube #include <sys/systm.h> 34 1.1 cube #include <sys/mount.h> 35 1.1 cube #include <sys/stat.h> 36 1.1 cube #include <sys/time.h> 37 1.1 cube #include <sys/ktrace.h> 38 1.1 cube #include <sys/vnode.h> 39 1.1 cube #include <sys/file.h> 40 1.1 cube #include <sys/filedesc.h> 41 1.1 cube #include <sys/namei.h> 42 1.1 cube #include <sys/syscallargs.h> 43 1.1 cube #include <sys/proc.h> 44 1.2 christos #include <sys/dirent.h> 45 1.1 cube 46 1.1 cube #include <compat/netbsd32/netbsd32.h> 47 1.1 cube #include <compat/netbsd32/netbsd32_syscallargs.h> 48 1.1 cube #include <compat/netbsd32/netbsd32_conv.h> 49 1.1 cube 50 1.4 perry static inline void compat_20_netbsd32_from_statvfs(struct statvfs *, 51 1.1 cube struct netbsd32_statfs *); 52 1.1 cube 53 1.4 perry static inline void 54 1.17 dsl compat_20_netbsd32_from_statvfs(struct statvfs *sbp, struct netbsd32_statfs *sb32p) 55 1.1 cube { 56 1.1 cube sb32p->f_flags = sbp->f_flag; 57 1.1 cube sb32p->f_bsize = (netbsd32_long)sbp->f_bsize; 58 1.1 cube sb32p->f_iosize = (netbsd32_long)sbp->f_iosize; 59 1.1 cube sb32p->f_blocks = (netbsd32_long)sbp->f_blocks; 60 1.1 cube sb32p->f_bfree = (netbsd32_long)sbp->f_bfree; 61 1.1 cube sb32p->f_bavail = (netbsd32_long)sbp->f_bavail; 62 1.1 cube sb32p->f_files = (netbsd32_long)sbp->f_files; 63 1.1 cube sb32p->f_ffree = (netbsd32_long)sbp->f_ffree; 64 1.1 cube sb32p->f_fsid = sbp->f_fsidx; 65 1.1 cube sb32p->f_owner = sbp->f_owner; 66 1.1 cube sb32p->f_spare[0] = 0; 67 1.1 cube sb32p->f_spare[1] = 0; 68 1.1 cube sb32p->f_spare[2] = 0; 69 1.1 cube sb32p->f_spare[3] = 0; 70 1.13 christos (void)memcpy(sb32p->f_fstypename, sbp->f_fstypename, 71 1.13 christos sizeof(sb32p->f_fstypename)); 72 1.13 christos (void)memcpy(sb32p->f_mntonname, sbp->f_mntonname, 73 1.13 christos sizeof(sb32p->f_mntonname)); 74 1.13 christos (void)memcpy(sb32p->f_mntfromname, sbp->f_mntfromname, 75 1.13 christos sizeof(sb32p->f_mntfromname)); 76 1.1 cube } 77 1.1 cube 78 1.1 cube int 79 1.19 dsl compat_20_netbsd32_getfsstat(struct lwp *l, const struct compat_20_netbsd32_getfsstat_args *uap, register_t *retval) 80 1.1 cube { 81 1.19 dsl /* { 82 1.1 cube syscallarg(netbsd32_statfsp_t) buf; 83 1.1 cube syscallarg(netbsd32_long) bufsize; 84 1.1 cube syscallarg(int) flags; 85 1.19 dsl } */ 86 1.28.18.1 tls int root = 0; 87 1.28.18.1 tls struct proc *p = l->l_proc; 88 1.28.18.2 jdolecek mount_iterator_t *iter; 89 1.28.18.2 jdolecek struct mount *mp; 90 1.28.18.1 tls struct statvfs *sb; 91 1.1 cube struct netbsd32_statfs sb32; 92 1.8 christos void *sfsp; 93 1.28.18.1 tls size_t count, maxcount; 94 1.28.18.1 tls int error = 0; 95 1.1 cube 96 1.28.18.1 tls sb = STATVFSBUF_GET(); 97 1.1 cube maxcount = SCARG(uap, bufsize) / sizeof(struct netbsd32_statfs); 98 1.10 dsl sfsp = SCARG_P32(uap, buf); 99 1.28.18.2 jdolecek mountlist_iterator_init(&iter); 100 1.1 cube count = 0; 101 1.28.18.2 jdolecek while ((mp = mountlist_iterator_next(iter)) != NULL) { 102 1.1 cube if (sfsp && count < maxcount) { 103 1.28.18.1 tls error = dostatvfs(mp, sb, l, SCARG(uap, flags), 0); 104 1.28.18.1 tls if (error) { 105 1.28.18.1 tls error = 0; 106 1.1 cube continue; 107 1.1 cube } 108 1.28.18.1 tls compat_20_netbsd32_from_statvfs(sb, &sb32); 109 1.1 cube error = copyout(&sb32, sfsp, sizeof(sb32)); 110 1.28.18.2 jdolecek if (error) 111 1.28.18.1 tls goto out; 112 1.9 christos sfsp = (char *)sfsp + sizeof(sb32); 113 1.28.18.1 tls root |= strcmp(sb->f_mntonname, "/") == 0; 114 1.1 cube } 115 1.1 cube count++; 116 1.1 cube } 117 1.28.18.1 tls 118 1.28.18.1 tls if (root == 0 && p->p_cwdi->cwdi_rdir) { 119 1.28.18.1 tls /* 120 1.28.18.1 tls * fake a root entry 121 1.28.18.1 tls */ 122 1.28.18.1 tls error = dostatvfs(p->p_cwdi->cwdi_rdir->v_mount, 123 1.28.18.1 tls sb, l, SCARG(uap, flags), 1); 124 1.28.18.1 tls if (error != 0) 125 1.28.18.1 tls goto out; 126 1.28.18.1 tls if (sfsp) { 127 1.28.18.1 tls compat_20_netbsd32_from_statvfs(sb, &sb32); 128 1.28.18.1 tls error = copyout(&sb32, sfsp, sizeof(sb32)); 129 1.28.18.1 tls if (error != 0) 130 1.28.18.1 tls goto out; 131 1.28.18.1 tls } 132 1.28.18.1 tls count++; 133 1.28.18.1 tls } 134 1.28.18.1 tls 135 1.1 cube if (sfsp && count > maxcount) 136 1.1 cube *retval = maxcount; 137 1.1 cube else 138 1.1 cube *retval = count; 139 1.28.18.1 tls out: 140 1.28.18.2 jdolecek mountlist_iterator_destroy(iter); 141 1.28.18.1 tls STATVFSBUF_PUT(sb); 142 1.28.18.1 tls return error; 143 1.1 cube } 144 1.1 cube 145 1.1 cube int 146 1.19 dsl compat_20_netbsd32_statfs(struct lwp *l, const struct compat_20_netbsd32_statfs_args *uap, register_t *retval) 147 1.1 cube { 148 1.19 dsl /* { 149 1.1 cube syscallarg(const netbsd32_charp) path; 150 1.1 cube syscallarg(netbsd32_statfsp_t) buf; 151 1.19 dsl } */ 152 1.1 cube struct mount *mp; 153 1.28.18.1 tls struct statvfs *sb; 154 1.1 cube struct netbsd32_statfs s32; 155 1.1 cube int error; 156 1.27 dholland struct vnode *vp; 157 1.1 cube 158 1.27 dholland error = namei_simple_user(SCARG_P32(uap, path), 159 1.27 dholland NSM_FOLLOW_TRYEMULROOT, &vp); 160 1.27 dholland if (error != 0) 161 1.1 cube return (error); 162 1.27 dholland mp = vp->v_mount; 163 1.27 dholland vrele(vp); 164 1.28.18.2 jdolecek sb = STATVFSBUF_GET(); 165 1.28.18.1 tls if ((error = dostatvfs(mp, sb, l, 0, 0)) != 0) 166 1.28.18.2 jdolecek goto out; 167 1.28.18.1 tls compat_20_netbsd32_from_statvfs(sb, &s32); 168 1.28.18.2 jdolecek error = copyout(&s32, SCARG_P32(uap, buf), sizeof(s32)); 169 1.28.18.2 jdolecek out: 170 1.28.18.2 jdolecek STATVFSBUF_PUT(sb); 171 1.28.18.2 jdolecek return error; 172 1.1 cube } 173 1.1 cube 174 1.1 cube int 175 1.19 dsl compat_20_netbsd32_fstatfs(struct lwp *l, const struct compat_20_netbsd32_fstatfs_args *uap, register_t *retval) 176 1.1 cube { 177 1.19 dsl /* { 178 1.1 cube syscallarg(int) fd; 179 1.1 cube syscallarg(netbsd32_statfsp_t) buf; 180 1.19 dsl } */ 181 1.21 ad file_t *fp; 182 1.1 cube struct mount *mp; 183 1.28.18.1 tls struct statvfs *sb; 184 1.1 cube struct netbsd32_statfs s32; 185 1.1 cube int error; 186 1.1 cube 187 1.26 ad /* fd_getvnode() will use the descriptor for us */ 188 1.21 ad if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 189 1.1 cube return (error); 190 1.28.18.2 jdolecek mp = fp->f_vnode->v_mount; 191 1.28.18.2 jdolecek sb = STATVFSBUF_GET(); 192 1.28.18.1 tls if ((error = dostatvfs(mp, sb, l, 0, 0)) != 0) 193 1.1 cube goto out; 194 1.28.18.1 tls compat_20_netbsd32_from_statvfs(sb, &s32); 195 1.10 dsl error = copyout(&s32, SCARG_P32(uap, buf), sizeof(s32)); 196 1.1 cube out: 197 1.28.18.2 jdolecek STATVFSBUF_PUT(sb); 198 1.21 ad fd_putfile(SCARG(uap, fd)); 199 1.1 cube return (error); 200 1.1 cube } 201 1.1 cube 202 1.1 cube int 203 1.19 dsl compat_20_netbsd32_fhstatfs(struct lwp *l, const struct compat_20_netbsd32_fhstatfs_args *uap, register_t *retval) 204 1.1 cube { 205 1.19 dsl /* { 206 1.1 cube syscallarg(const netbsd32_fhandlep_t) fhp; 207 1.1 cube syscallarg(struct statvfs *) buf; 208 1.19 dsl } */ 209 1.6 martin struct compat_30_sys_fhstatvfs1_args ua; 210 1.1 cube 211 1.6 martin NETBSD32TOP_UAP(fhp, const struct compat_30_fhandle); 212 1.1 cube NETBSD32TOP_UAP(buf, struct statvfs); 213 1.1 cube #ifdef notyet 214 1.1 cube NETBSD32TOP_UAP(flags, int); 215 1.1 cube #endif 216 1.6 martin return (compat_30_sys_fhstatvfs1(l, &ua, retval)); 217 1.1 cube } 218
Indexes created Thu Oct 02 14:10:14 GMT 2025