/*===========================================================================*
* do_mknod *
*===========================================================================*/
PUBLIC int do_mknod()
{
/* Perform the mknod(name, mode, addr) system call. */
register mode_t bits, mode_bits;
int r;
struct vnode *vp;
/* Only the super_user may make nodes other than fifos. */
mode_bits = (mode_t) m_in.mk_mode; /* mode of the inode */
if(!super_user && (((mode_bits & I_TYPE) != I_NAMED_PIPE) && ((mode_bits & I_TYPE) != I_UNIX_SOCKET))) return(EPERM);
bits = (mode_bits & I_TYPE) | (mode_bits & ALL_MODES & fp->fp_umask);
/* Open directory that's going to hold the new node. */
if(fetch_name(m_in.name1, m_in.name1_length, M1) != OK) return(err_code);
if((vp = last_dir(fp)) == NULL) return(err_code);
/* Make sure that the object is a directory */
if((vp->v_mode & I_TYPE) != I_DIRECTORY) {
put_vnode(vp);
return(ENOTDIR);
}
if ((r = forbidden(vp, W_BIT|X_BIT)) == OK) {
r = req_mknod(vp->v_fs_e, vp->v_inode_nr, user_fullpath, fp->fp_effuid,
fp->fp_effgid, bits, m_in.mk_z0);
}
put_vnode(vp);
return(r);
}
/*===========================================================================*
* do_mknod *
*===========================================================================*/
int do_mknod(void)
{
/* Perform the mknod(name, mode, addr) system call. */
register mode_t bits, mode_bits;
int r;
struct vnode *vp;
struct vmnt *vmp;
char fullpath[PATH_MAX];
struct lookup resolve;
vir_bytes vname1;
size_t vname1_length;
dev_t dev;
vname1 = job_m_in.m_lc_vfs_mknod.name;
vname1_length = job_m_in.m_lc_vfs_mknod.len;
mode_bits = job_m_in.m_lc_vfs_mknod.mode;
dev = job_m_in.m_lc_vfs_mknod.device;
/* If the path names a symbolic link, mknod() shall fail with EEXIST. */
lookup_init(&resolve, fullpath, PATH_RET_SYMLINK, &vmp, &vp);
resolve.l_vmnt_lock = VMNT_WRITE;
resolve.l_vnode_lock = VNODE_WRITE;
/* Only the super_user may make nodes other than fifos. */
if (!super_user && !S_ISFIFO(mode_bits))
return(EPERM);
bits = (mode_bits & S_IFMT) | (mode_bits & ACCESSPERMS & fp->fp_umask);
/* Open directory that's going to hold the new node. */
if (fetch_name(vname1, vname1_length, fullpath) != OK) return(err_code);
if ((vp = last_dir(&resolve, fp)) == NULL) return(err_code);
/* Make sure that the object is a directory */
if (!S_ISDIR(vp->v_mode)) {
r = ENOTDIR;
} else if ((r = forbidden(fp, vp, W_BIT|X_BIT)) == OK) {
r = req_mknod(vp->v_fs_e, vp->v_inode_nr, fullpath, fp->fp_effuid,
fp->fp_effgid, bits, dev);
}
unlock_vnode(vp);
unlock_vmnt(vmp);
put_vnode(vp);
return(r);
}
/*===========================================================================*
* do_mknod *
*===========================================================================*/
int do_mknod()
{
/* Perform the mknod(name, mode, addr) system call. */
register mode_t bits, mode_bits;
int r;
struct vnode *vp;
struct vmnt *vmp;
char fullpath[PATH_MAX];
struct lookup resolve;
vir_bytes vname1;
size_t vname1_length;
dev_t dev;
vname1 = (vir_bytes) job_m_in.name1;
vname1_length = (size_t) job_m_in.name1_length;
mode_bits = (mode_t) job_m_in.mk_mode; /* mode of the inode */
dev = job_m_in.m1_i3;
lookup_init(&resolve, fullpath, PATH_NOFLAGS, &vmp, &vp);
resolve.l_vmnt_lock = VMNT_WRITE;
resolve.l_vnode_lock = VNODE_READ;
/* Only the super_user may make nodes other than fifos. */
if (!super_user && (!S_ISFIFO(mode_bits) && !S_ISSOCK(mode_bits))) {
return(EPERM);
}
bits = (mode_bits & S_IFMT) | (mode_bits & ACCESSPERMS & fp->fp_umask);
/* Open directory that's going to hold the new node. */
if (fetch_name(vname1, vname1_length, fullpath) != OK) return(err_code);
if ((vp = last_dir(&resolve, fp)) == NULL) return(err_code);
/* Make sure that the object is a directory */
if (!S_ISDIR(vp->v_mode)) {
r = ENOTDIR;
} else if ((r = forbidden(fp, vp, W_BIT|X_BIT)) == OK) {
r = req_mknod(vp->v_fs_e, vp->v_inode_nr, fullpath, fp->fp_effuid,
fp->fp_effgid, bits, dev);
}
unlock_vnode(vp);
unlock_vmnt(vmp);
put_vnode(vp);
return(r);
}
/*===========================================================================*
* do_mknod *
*===========================================================================*/
PUBLIC int do_mknod()
{
/* Perform the mknod(name, mode, addr) system call. */
register mode_t bits, mode_bits;
int r;
struct vnode *vp;
struct vmnt *vmp;
char fullpath[PATH_MAX];
struct lookup resolve;
lookup_init(&resolve, fullpath, PATH_NOFLAGS, &vmp, &vp);
resolve.l_vmnt_lock = VMNT_WRITE;
resolve.l_vnode_lock = VNODE_READ;
/* Only the super_user may make nodes other than fifos. */
mode_bits = (mode_t) m_in.mk_mode; /* mode of the inode */
if (!super_user && (((mode_bits & I_TYPE) != I_NAMED_PIPE) &&
((mode_bits & I_TYPE) != I_UNIX_SOCKET))) {
return(EPERM);
}
bits = (mode_bits & I_TYPE) | (mode_bits & ALL_MODES & fp->fp_umask);
/* Open directory that's going to hold the new node. */
if (fetch_name(m_in.name1, m_in.name1_length, M1, fullpath) != OK)
return(err_code);
if ((vp = last_dir(&resolve, fp)) == NULL) return(err_code);
/* Make sure that the object is a directory */
if ((vp->v_mode & I_TYPE) != I_DIRECTORY) {
r = ENOTDIR;
} else if ((r = forbidden(vp, W_BIT|X_BIT)) == OK) {
r = req_mknod(vp->v_fs_e, vp->v_inode_nr, fullpath, fp->fp_effuid,
fp->fp_effgid, bits, m_in.mk_z0);
}
unlock_vnode(vp);
unlock_vmnt(vmp);
put_vnode(vp);
return(r);
}
