diff options
Diffstat (limited to 'bsd-user/freebsd/os-stat.h')
| -rw-r--r-- | bsd-user/freebsd/os-stat.h | 663 |
1 files changed, 663 insertions, 0 deletions
diff --git a/bsd-user/freebsd/os-stat.h b/bsd-user/freebsd/os-stat.h new file mode 100644 index 0000000000..b20e270774 --- /dev/null +++ b/bsd-user/freebsd/os-stat.h @@ -0,0 +1,663 @@ +/* + * stat related system call shims and definitions + * + * Copyright (c) 2013 Stacey D. Son + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef BSD_USER_FREEBSD_OS_STAT_H +#define BSD_USER_FREEBSD_OS_STAT_H + +int freebsd11_stat(const char *path, struct freebsd11_stat *stat); +__sym_compat(stat, freebsd11_stat, FBSD_1.0); +int freebsd11_lstat(const char *path, struct freebsd11_stat *stat); +__sym_compat(lstat, freebsd11_lstat, FBSD_1.0); +int freebsd11_fstat(int fd, struct freebsd11_stat *stat); +__sym_compat(fstat, freebsd11_fstat, FBSD_1.0); +int freebsd11_fstatat(int fd, const char *path, struct freebsd11_stat *stat, + int flag); +__sym_compat(fstatat, freebsd11_fstatat, FBSD_1.1); + +int freebsd11_fhstat(const fhandle_t *fhandle, struct freebsd11_stat *stat); +__sym_compat(fhstat, freebsd11_fhstat, FBSD_1.0); +int freebsd11_getfsstat(struct freebsd11_statfs *buf, long bufsize, int mode); +__sym_compat(getfsstat, freebsd11_getfsstat, FBSD_1.0); +int freebsd11_fhstatfs(const fhandle_t *fhandle, struct freebsd11_statfs * buf); +__sym_compat(fhstatfs, freebsd11_fhstatfs, FBSD_1.0); +int freebsd11_statfs(const char *path, struct freebsd11_statfs *buf); +__sym_compat(statfs, freebsd11_statfs, FBSD_1.0); +int freebsd11_fstatfs(int fd, struct freebsd11_statfs *buf); +__sym_compat(fstatfs, freebsd11_fstatfs, FBSD_1.0); + +ssize_t freebsd11_getdirentries(int fd, char *buf, size_t nbytes, off_t *basep); +__sym_compat(getdirentries, freebsd11_getdirentries, FBSD_1.0); +ssize_t freebsd11_getdents(int fd, char *buf, size_t nbytes); +__sym_compat(getdents, freebsd11_getdents, FBSD_1.0); + +/* undocumented nstat system calls */ +int freebsd11_nstat(const char *path, struct freebsd11_stat *sb); +__sym_compat(nstat, freebsd11_nstat, FBSD_1.0); +int freebsd11_nlstat(const char *path, struct freebsd11_stat *sb); +__sym_compat(nlstat, freebsd11_nlstat, FBSD_1.0); +int freebsd11_nfstat(int fd, struct freebsd11_stat *sb); +__sym_compat(nfstat, freebsd11_nfstat, FBSD_1.0); + +/* stat(2) */ +static inline abi_long do_freebsd11_stat(abi_long arg1, abi_long arg2) +{ + abi_long ret; + void *p; + struct freebsd11_stat st; + + LOCK_PATH(p, arg1); + ret = get_errno(freebsd11_stat(path(p), &st)); + UNLOCK_PATH(p, arg1); + if (!is_error(ret)) { + ret = h2t_freebsd11_stat(arg2, &st); + } + return ret; +} + +/* lstat(2) */ +static inline abi_long do_freebsd11_lstat(abi_long arg1, abi_long arg2) +{ + abi_long ret; + void *p; + struct freebsd11_stat st; + + LOCK_PATH(p, arg1); + ret = get_errno(freebsd11_lstat(path(p), &st)); + UNLOCK_PATH(p, arg1); + if (!is_error(ret)) { + ret = h2t_freebsd11_stat(arg2, &st); + } + return ret; +} + +/* fstat(2) */ +static inline abi_long do_freebsd11_fstat(abi_long arg1, abi_long arg2) +{ + abi_long ret; + struct freebsd11_stat st; + + ret = get_errno(freebsd11_fstat(arg1, &st)); + if (!is_error(ret)) { + ret = h2t_freebsd11_stat(arg2, &st); + } + return ret; +} + +/* fstat(2) */ +static inline abi_long do_freebsd_fstat(abi_long arg1, abi_long arg2) +{ + abi_long ret; + struct stat st; + + ret = get_errno(fstat(arg1, &st)); + if (!is_error(ret)) { + ret = h2t_freebsd_stat(arg2, &st); + } + return ret; +} + +/* fstatat(2) */ +static inline abi_long do_freebsd11_fstatat(abi_long arg1, abi_long arg2, + abi_long arg3, abi_long arg4) +{ + abi_long ret; + void *p; + struct freebsd11_stat st; + + LOCK_PATH(p, arg2); + ret = get_errno(freebsd11_fstatat(arg1, p, &st, arg4)); + UNLOCK_PATH(p, arg2); + if (!is_error(ret) && arg3) { + ret = h2t_freebsd11_stat(arg3, &st); + } + return ret; +} + +/* fstatat(2) */ +static inline abi_long do_freebsd_fstatat(abi_long arg1, abi_long arg2, + abi_long arg3, abi_long arg4) +{ + abi_long ret; + void *p; + struct stat st; + + LOCK_PATH(p, arg2); + ret = get_errno(fstatat(arg1, p, &st, arg4)); + UNLOCK_PATH(p, arg2); + if (!is_error(ret) && arg3) { + ret = h2t_freebsd_stat(arg3, &st); + } + return ret; +} + +/* undocummented nstat(char *path, struct nstat *ub) syscall */ +static abi_long do_freebsd11_nstat(abi_long arg1, abi_long arg2) +{ + abi_long ret; + void *p; + struct freebsd11_stat st; + + LOCK_PATH(p, arg1); + ret = get_errno(freebsd11_nstat(path(p), &st)); + UNLOCK_PATH(p, arg1); + if (!is_error(ret)) { + ret = h2t_freebsd11_nstat(arg2, &st); + } + return ret; +} + +/* undocummented nfstat(int fd, struct nstat *sb) syscall */ +static abi_long do_freebsd11_nfstat(abi_long arg1, abi_long arg2) +{ + abi_long ret; + struct freebsd11_stat st; + + ret = get_errno(freebsd11_nfstat(arg1, &st)); + if (!is_error(ret)) { + ret = h2t_freebsd11_nstat(arg2, &st); + } + return ret; +} + +/* undocummented nlstat(char *path, struct nstat *ub) syscall */ +static abi_long do_freebsd11_nlstat(abi_long arg1, abi_long arg2) +{ + abi_long ret; + void *p; + struct freebsd11_stat st; + + LOCK_PATH(p, arg1); + ret = get_errno(freebsd11_nlstat(path(p), &st)); + UNLOCK_PATH(p, arg1); + if (!is_error(ret)) { + ret = h2t_freebsd11_nstat(arg2, &st); + } + return ret; +} + +/* getfh(2) */ +static abi_long do_freebsd_getfh(abi_long arg1, abi_long arg2) +{ + abi_long ret; + void *p; + fhandle_t host_fh; + + LOCK_PATH(p, arg1); + ret = get_errno(getfh(path(p), &host_fh)); + UNLOCK_PATH(p, arg1); + if (is_error(ret)) { + return ret; + } + return h2t_freebsd_fhandle(arg2, &host_fh); +} + +/* lgetfh(2) */ +static inline abi_long do_freebsd_lgetfh(abi_long arg1, abi_long arg2) +{ + abi_long ret; + void *p; + fhandle_t host_fh; + + LOCK_PATH(p, arg1); + ret = get_errno(lgetfh(path(p), &host_fh)); + UNLOCK_PATH(p, arg1); + if (is_error(ret)) { + return ret; + } + return h2t_freebsd_fhandle(arg2, &host_fh); +} + +/* fhopen(2) */ +static inline abi_long do_freebsd_fhopen(abi_long arg1, abi_long arg2) +{ + abi_long ret; + fhandle_t host_fh; + + ret = t2h_freebsd_fhandle(&host_fh, arg1); + if (is_error(ret)) { + return ret; + } + + return get_errno(fhopen(&host_fh, arg2)); +} + +/* fhstat(2) */ +static inline abi_long do_freebsd11_fhstat(abi_long arg1, abi_long arg2) +{ + abi_long ret; + fhandle_t host_fh; + struct freebsd11_stat host_sb; + + ret = t2h_freebsd_fhandle(&host_fh, arg1); + if (is_error(ret)) { + return ret; + } + ret = get_errno(freebsd11_fhstat(&host_fh, &host_sb)); + if (is_error(ret)) { + return ret; + } + return h2t_freebsd11_stat(arg2, &host_sb); +} + +/* fhstat(2) */ +static inline abi_long do_freebsd_fhstat(abi_long arg1, abi_long arg2) +{ + abi_long ret; + fhandle_t host_fh; + struct stat host_sb; + + ret = t2h_freebsd_fhandle(&host_fh, arg1); + if (is_error(ret)) { + return ret; + } + ret = get_errno(fhstat(&host_fh, &host_sb)); + if (is_error(ret)) { + return ret; + } + return h2t_freebsd_stat(arg2, &host_sb); +} + +/* fhstatfs(2) */ +static inline abi_long do_freebsd11_fhstatfs(abi_ulong target_fhp_addr, + abi_ulong target_stfs_addr) +{ + abi_long ret; + fhandle_t host_fh; + struct freebsd11_statfs host_stfs; + + ret = t2h_freebsd_fhandle(&host_fh, target_fhp_addr); + if (is_error(ret)) { + return ret; + } + ret = get_errno(freebsd11_fhstatfs(&host_fh, &host_stfs)); + if (is_error(ret)) { + return ret; + } + return h2t_freebsd11_statfs(target_stfs_addr, &host_stfs); +} + +/* fhstatfs(2) */ +static inline abi_long do_freebsd_fhstatfs(abi_ulong target_fhp_addr, + abi_ulong target_stfs_addr) +{ + abi_long ret; + fhandle_t host_fh; + struct statfs host_stfs; + + ret = t2h_freebsd_fhandle(&host_fh, target_fhp_addr); + if (is_error(ret)) { + return ret; + } + ret = get_errno(fhstatfs(&host_fh, &host_stfs)); + if (is_error(ret)) { + return ret; + } + return h2t_freebsd_statfs(target_stfs_addr, &host_stfs); +} + +/* statfs(2) */ +static inline abi_long do_freebsd11_statfs(abi_long arg1, abi_long arg2) +{ + abi_long ret; + void *p; + struct freebsd11_statfs host_stfs; + + LOCK_PATH(p, arg1); + ret = get_errno(freebsd11_statfs(path(p), &host_stfs)); + UNLOCK_PATH(p, arg1); + if (is_error(ret)) { + return ret; + } + + return h2t_freebsd11_statfs(arg2, &host_stfs); +} + +/* statfs(2) */ +static inline abi_long do_freebsd_statfs(abi_long arg1, abi_long arg2) +{ + abi_long ret; + void *p; + struct statfs host_stfs; + + LOCK_PATH(p, arg1); + ret = get_errno(statfs(path(p), &host_stfs)); + UNLOCK_PATH(p, arg1); + if (is_error(ret)) { + return ret; + } + + return h2t_freebsd_statfs(arg2, &host_stfs); +} + +/* fstatfs(2) */ +static inline abi_long do_freebsd11_fstatfs(abi_long fd, abi_ulong target_addr) +{ + abi_long ret; + struct freebsd11_statfs host_stfs; + + ret = get_errno(freebsd11_fstatfs(fd, &host_stfs)); + if (is_error(ret)) { + return ret; + } + + return h2t_freebsd11_statfs(target_addr, &host_stfs); +} + +/* fstatfs(2) */ +static inline abi_long do_freebsd_fstatfs(abi_long fd, abi_ulong target_addr) +{ + abi_long ret; + struct statfs host_stfs; + + ret = get_errno(fstatfs(fd, &host_stfs)); + if (is_error(ret)) { + return ret; + } + + return h2t_freebsd_statfs(target_addr, &host_stfs); +} + +/* getfsstat(2) */ +static inline abi_long do_freebsd11_getfsstat(abi_ulong target_addr, + abi_long bufsize, abi_long flags) +{ + abi_long ret; + struct freebsd11_statfs *host_stfs; + int count; + long host_bufsize; + + count = bufsize / sizeof(struct target_freebsd11_statfs); + + /* if user buffer is NULL then return number of mounted FS's */ + if (target_addr == 0 || count == 0) { + return get_errno(freebsd11_getfsstat(NULL, 0, flags)); + } + + /* XXX check count to be reasonable */ + host_bufsize = sizeof(struct freebsd11_statfs) * count; + host_stfs = alloca(host_bufsize); + if (!host_stfs) { + return -TARGET_EINVAL; + } + + ret = count = get_errno(freebsd11_getfsstat(host_stfs, host_bufsize, flags)); + if (is_error(ret)) { + return ret; + } + + while (count--) { + if (h2t_freebsd11_statfs((target_addr + + (count * sizeof(struct target_freebsd11_statfs))), + &host_stfs[count])) { + return -TARGET_EFAULT; + } + } + return ret; +} + +/* getfsstat(2) */ +static inline abi_long do_freebsd_getfsstat(abi_ulong target_addr, + abi_long bufsize, abi_long flags) +{ + abi_long ret; + struct statfs *host_stfs; + int count; + long host_bufsize; + + count = bufsize / sizeof(struct target_statfs); + + /* if user buffer is NULL then return number of mounted FS's */ + if (target_addr == 0 || count == 0) { + return get_errno(freebsd11_getfsstat(NULL, 0, flags)); + } + + /* XXX check count to be reasonable */ + host_bufsize = sizeof(struct statfs) * count; + host_stfs = alloca(host_bufsize); + if (!host_stfs) { + return -TARGET_EINVAL; + } + + ret = count = get_errno(getfsstat(host_stfs, host_bufsize, flags)); + if (is_error(ret)) { + return ret; + } + + while (count--) { + if (h2t_freebsd_statfs((target_addr + + (count * sizeof(struct target_statfs))), + &host_stfs[count])) { + return -TARGET_EFAULT; + } + } + return ret; +} + +/* getdents(2) */ +static inline abi_long do_freebsd11_getdents(abi_long arg1, + abi_ulong arg2, abi_long nbytes) +{ + abi_long ret; + struct freebsd11_dirent *dirp; + + dirp = lock_user(VERIFY_WRITE, arg2, nbytes, 0); + if (dirp == NULL) { + return -TARGET_EFAULT; + } + ret = get_errno(freebsd11_getdents(arg1, (char *)dirp, nbytes)); + if (!is_error(ret)) { + struct freebsd11_dirent *de; + int len = ret; + int reclen; + + de = dirp; + while (len > 0) { + reclen = de->d_reclen; + if (reclen > len) { + return -TARGET_EFAULT; + } + de->d_reclen = tswap16(reclen); + de->d_fileno = tswap32(de->d_fileno); + len -= reclen; + } + } + return ret; +} + +/* getdirecentries(2) */ +static inline abi_long do_freebsd11_getdirentries(abi_long arg1, + abi_ulong arg2, abi_long nbytes, abi_ulong arg4) +{ + abi_long ret; + struct freebsd11_dirent *dirp; + long basep; + + dirp = lock_user(VERIFY_WRITE, arg2, nbytes, 0); + if (dirp == NULL) { + return -TARGET_EFAULT; + } + ret = get_errno(freebsd11_getdirentries(arg1, (char *)dirp, nbytes, &basep)); + if (!is_error(ret)) { + struct freebsd11_dirent *de; + int len = ret; + int reclen; + + de = dirp; + while (len > 0) { + reclen = de->d_reclen; + if (reclen > len) { + return -TARGET_EFAULT; + } + de->d_reclen = tswap16(reclen); + de->d_fileno = tswap32(de->d_fileno); + len -= reclen; + de = (struct freebsd11_dirent *)((void *)de + reclen); + } + } + unlock_user(dirp, arg2, ret); + if (arg4) { + if (put_user(basep, arg4, abi_ulong)) { + return -TARGET_EFAULT; + } + } + return ret; +} + +/* getdirecentries(2) */ +static inline abi_long do_freebsd_getdirentries(abi_long arg1, + abi_ulong arg2, abi_long nbytes, abi_ulong arg4) +{ + abi_long ret; + struct dirent *dirp; + long basep; + + dirp = lock_user(VERIFY_WRITE, arg2, nbytes, 0); + if (dirp == NULL) { + return -TARGET_EFAULT; + } + ret = get_errno(getdirentries(arg1, (char *)dirp, nbytes, &basep)); + if (!is_error(ret)) { + struct dirent *de; + int len = ret; + int reclen; + + de = dirp; + while (len > 0) { + reclen = de->d_reclen; + if (reclen > len) { + return -TARGET_EFAULT; + } + de->d_fileno = tswap64(de->d_fileno); + de->d_off = tswap64(de->d_off); + de->d_reclen = tswap16(de->d_reclen); + de->d_namlen = tswap16(de->d_namlen); + len -= reclen; + de = (struct dirent *)((void *)de + reclen); + } + } + unlock_user(dirp, arg2, ret); + if (arg4) { + if (put_user(basep, arg4, abi_ulong)) { + return -TARGET_EFAULT; + } + } + return ret; +} + +/* fcntl(2) */ +static inline abi_long do_freebsd_fcntl(abi_long arg1, abi_long arg2, + abi_ulong arg3) +{ + abi_long ret; + int host_cmd; + struct flock fl; + struct target_freebsd_flock *target_fl; + + host_cmd = target_to_host_fcntl_cmd(arg2); + if (host_cmd < 0) { + return host_cmd; + } + switch (arg2) { + case TARGET_F_GETLK: + if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) { + return -TARGET_EFAULT; + } + __get_user(fl.l_type, &target_fl->l_type); + __get_user(fl.l_whence, &target_fl->l_whence); + __get_user(fl.l_start, &target_fl->l_start); + __get_user(fl.l_len, &target_fl->l_len); + __get_user(fl.l_pid, &target_fl->l_pid); + __get_user(fl.l_sysid, &target_fl->l_sysid); + unlock_user_struct(target_fl, arg3, 0); + ret = get_errno(safe_fcntl(arg1, host_cmd, &fl)); + if (!is_error(ret)) { + if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0)) { + return -TARGET_EFAULT; + } + __put_user(fl.l_type, &target_fl->l_type); + __put_user(fl.l_whence, &target_fl->l_whence); + __put_user(fl.l_start, &target_fl->l_start); + __put_user(fl.l_len, &target_fl->l_len); + __put_user(fl.l_pid, &target_fl->l_pid); + __put_user(fl.l_sysid, &target_fl->l_sysid); + unlock_user_struct(target_fl, arg3, 1); + } + break; + + case TARGET_F_SETLK: + case TARGET_F_SETLKW: + if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) { + return -TARGET_EFAULT; + } + __get_user(fl.l_type, &target_fl->l_type); + __get_user(fl.l_whence, &target_fl->l_whence); + __get_user(fl.l_start, &target_fl->l_start); + __get_user(fl.l_len, &target_fl->l_len); + __get_user(fl.l_pid, &target_fl->l_pid); + __get_user(fl.l_sysid, &target_fl->l_sysid); + unlock_user_struct(target_fl, arg3, 0); + ret = get_errno(safe_fcntl(arg1, host_cmd, &fl)); + break; + + case TARGET_F_DUPFD: + case TARGET_F_DUP2FD: + case TARGET_F_GETOWN: + case TARGET_F_SETOWN: + case TARGET_F_GETFD: + case TARGET_F_SETFD: + case TARGET_F_GETFL: + case TARGET_F_SETFL: + case TARGET_F_READAHEAD: + case TARGET_F_RDAHEAD: + case TARGET_F_ADD_SEALS: + case TARGET_F_GET_SEALS: + default: + ret = get_errno(safe_fcntl(arg1, host_cmd, arg3)); + break; + } + return ret; +} + +#if defined(__FreeBSD_version) && __FreeBSD_version >= 1300080 +extern int __realpathat(int fd, const char *path, char *buf, size_t size, + int flags); +/* https://svnweb.freebsd.org/base?view=revision&revision=358172 */ +/* no man page */ +static inline abi_long do_freebsd_realpathat(abi_long arg1, abi_long arg2, + abi_long arg3, abi_long arg4, abi_long arg5) +{ + abi_long ret; + void *p, *b; + + LOCK_PATH(p, arg2); + b = lock_user(VERIFY_WRITE, arg3, arg4, 0); + if (b == NULL) { + UNLOCK_PATH(p, arg2); + return -TARGET_EFAULT; + } + + ret = get_errno(__realpathat(arg1, p, b, arg4, arg5)); + UNLOCK_PATH(p, arg2); + unlock_user(b, arg3, ret); + + return ret; +} +#endif + +#endif /* BSD_USER_FREEBSD_OS_STAT_H */ |