static int ncp_notify_change(struct inode *inode, struct iattr *attr) { int result = 0; int info_mask; struct nw_modify_dos_info info; if (!ncp_conn_valid(NCP_SERVER(inode))) { return -EIO; } if ((result = inode_change_ok(inode, attr)) < 0) return result; if (((attr->ia_valid & ATTR_UID) && (attr->ia_uid != NCP_SERVER(inode)->m.uid))) return -EPERM; if (((attr->ia_valid & ATTR_GID) && (attr->ia_uid != NCP_SERVER(inode)->m.gid))) return -EPERM; if (((attr->ia_valid & ATTR_MODE) && (attr->ia_mode & ~(S_IFREG | S_IFDIR | S_IRWXU | S_IRWXG | S_IRWXO)))) return -EPERM; info_mask = 0; memset(&info, 0, sizeof(info)); if ((attr->ia_valid & ATTR_CTIME) != 0) { info_mask |= (DM_CREATE_TIME|DM_CREATE_DATE); ncp_date_unix2dos(attr->ia_ctime, &(info.creationTime), &(info.creationDate)); } if ((attr->ia_valid & ATTR_MTIME) != 0) { info_mask |= (DM_MODIFY_TIME|DM_MODIFY_DATE); ncp_date_unix2dos(attr->ia_mtime, &(info.modifyTime), &(info.modifyDate)); } if ((attr->ia_valid & ATTR_ATIME) != 0) { __u16 dummy; info_mask |= (DM_LAST_ACCESS_DATE); ncp_date_unix2dos(attr->ia_ctime, &(dummy), &(info.lastAccessDate)); } if (info_mask != 0) { if ((result = ncp_modify_file_or_subdir_dos_info(NCP_SERVER(inode), NCP_ISTRUCT(inode), info_mask, &info)) != 0) { result = -EACCES; if (info_mask == (DM_CREATE_TIME|DM_CREATE_DATE)) { /* NetWare seems not to allow this. I do not know why. So, just tell the user everything went fine. This is a terrible hack, but I do not know how to do this correctly. */ result = 0; } } } if ((attr->ia_valid & ATTR_SIZE) != 0) { int written; DPRINTK("ncpfs: trying to change size of %s to %ld\n", NCP_ISTRUCT(inode)->entryName, attr->ia_size); if ((result = ncp_make_open(inode, O_RDWR)) < 0) { return -EACCES; } ncp_write(NCP_SERVER(inode), NCP_FINFO(inode)->file_handle, attr->ia_size, 0, "", &written); /* According to ndir, the changes only take effect after closing the file */ ncp_close_file(NCP_SERVER(inode), NCP_FINFO(inode)->file_handle); NCP_FINFO(inode)->opened = 0; result = 0; } ncp_invalid_dir_cache(NCP_INOP(inode)->dir->inode); return result; }
int ncp_notify_change(struct dentry *dentry, struct iattr *attr) { struct inode *inode = dentry->d_inode; int result = 0; __le32 info_mask; struct nw_modify_dos_info info; struct ncp_server *server; result = -EIO; lock_kernel(); server = NCP_SERVER(inode); if ((!server) || !ncp_conn_valid(server)) goto out; /* ageing the dentry to force validation */ ncp_age_dentry(server, dentry); result = inode_change_ok(inode, attr); if (result < 0) goto out; result = -EPERM; if (((attr->ia_valid & ATTR_UID) && (attr->ia_uid != server->m.uid))) goto out; if (((attr->ia_valid & ATTR_GID) && (attr->ia_gid != server->m.gid))) goto out; if (((attr->ia_valid & ATTR_MODE) && (attr->ia_mode & ~(S_IFREG | S_IFDIR | S_IRWXUGO)))) goto out; info_mask = 0; memset(&info, 0, sizeof(info)); #if 1 if ((attr->ia_valid & ATTR_MODE) != 0) { umode_t newmode = attr->ia_mode; info_mask |= DM_ATTRIBUTES; if (S_ISDIR(inode->i_mode)) { newmode &= server->m.dir_mode; } else { #ifdef CONFIG_NCPFS_EXTRAS if (server->m.flags & NCP_MOUNT_EXTRAS) { /* any non-default execute bit set */ if (newmode & ~server->m.file_mode & S_IXUGO) info.attributes |= aSHARED | aSYSTEM; /* read for group/world and not in default file_mode */ else if (newmode & ~server->m.file_mode & S_IRUGO) info.attributes |= aSHARED; } else #endif newmode &= server->m.file_mode; } if (newmode & S_IWUGO) info.attributes &= ~(aRONLY|aRENAMEINHIBIT|aDELETEINHIBIT); else info.attributes |= (aRONLY|aRENAMEINHIBIT|aDELETEINHIBIT); #ifdef CONFIG_NCPFS_NFS_NS if (ncp_is_nfs_extras(server, NCP_FINFO(inode)->volNumber)) { result = ncp_modify_nfs_info(server, NCP_FINFO(inode)->volNumber, NCP_FINFO(inode)->dirEntNum, attr->ia_mode, 0); if (result != 0) goto out; info.attributes &= ~(aSHARED | aSYSTEM); { /* mark partial success */ struct iattr tmpattr; tmpattr.ia_valid = ATTR_MODE; tmpattr.ia_mode = attr->ia_mode; result = inode_setattr(inode, &tmpattr); if (result) goto out; } } #endif } #endif /* Do SIZE before attributes, otherwise mtime together with size does not work... */ if ((attr->ia_valid & ATTR_SIZE) != 0) { int written; DPRINTK("ncpfs: trying to change size to %ld\n", attr->ia_size); if ((result = ncp_make_open(inode, O_WRONLY)) < 0) { result = -EACCES; goto out; } ncp_write_kernel(NCP_SERVER(inode), NCP_FINFO(inode)->file_handle, attr->ia_size, 0, "", &written); /* According to ndir, the changes only take effect after closing the file */ ncp_inode_close(inode); result = ncp_make_closed(inode); if (result) goto out; { struct iattr tmpattr; tmpattr.ia_valid = ATTR_SIZE; tmpattr.ia_size = attr->ia_size; result = inode_setattr(inode, &tmpattr); if (result) goto out; } } if ((attr->ia_valid & ATTR_CTIME) != 0) { info_mask |= (DM_CREATE_TIME | DM_CREATE_DATE); ncp_date_unix2dos(attr->ia_ctime.tv_sec, &info.creationTime, &info.creationDate); } if ((attr->ia_valid & ATTR_MTIME) != 0) { info_mask |= (DM_MODIFY_TIME | DM_MODIFY_DATE); ncp_date_unix2dos(attr->ia_mtime.tv_sec, &info.modifyTime, &info.modifyDate); } if ((attr->ia_valid & ATTR_ATIME) != 0) { __le16 dummy; info_mask |= (DM_LAST_ACCESS_DATE); ncp_date_unix2dos(attr->ia_atime.tv_sec, &dummy, &info.lastAccessDate); } if (info_mask != 0) { result = ncp_modify_file_or_subdir_dos_info(NCP_SERVER(inode), inode, info_mask, &info); if (result != 0) { result = -EACCES; if (info_mask == (DM_CREATE_TIME | DM_CREATE_DATE)) { /* NetWare seems not to allow this. I do not know why. So, just tell the user everything went fine. This is a terrible hack, but I do not know how to do this correctly. */ result = 0; } else goto out; } #ifdef CONFIG_NCPFS_STRONG if ((!result) && (info_mask & DM_ATTRIBUTES)) NCP_FINFO(inode)->nwattr = info.attributes; #endif } if (!result) result = inode_setattr(inode, attr); out: unlock_kernel(); return result; }
int ncp_notify_change(struct dentry *dentry, struct iattr *attr) { struct inode *inode = dentry->d_inode; int result = 0; int info_mask; struct nw_modify_dos_info info; result = -EIO; if (!ncp_conn_valid(NCP_SERVER(inode))) goto out; result = inode_change_ok(inode, attr); if (result < 0) goto out; result = -EPERM; if (((attr->ia_valid & ATTR_UID) && (attr->ia_uid != NCP_SERVER(inode)->m.uid))) goto out; if (((attr->ia_valid & ATTR_GID) && (attr->ia_uid != NCP_SERVER(inode)->m.gid))) goto out; if (((attr->ia_valid & ATTR_MODE) && (attr->ia_mode & ~(S_IFREG | S_IFDIR | S_IRWXU | S_IRWXG | S_IRWXO)))) goto out; info_mask = 0; memset(&info, 0, sizeof(info)); #if 1 if ((attr->ia_valid & ATTR_MODE) != 0) { if (!S_ISREG(inode->i_mode)) { return -EPERM; } else { umode_t newmode; info_mask |= DM_ATTRIBUTES; newmode=attr->ia_mode; newmode &= NCP_SERVER(inode)->m.file_mode; if (newmode & 0222) /* any write bit set */ { info.attributes &= ~0x60001; } else { info.attributes |= 0x60001; } } } #endif if ((attr->ia_valid & ATTR_CTIME) != 0) { info_mask |= (DM_CREATE_TIME | DM_CREATE_DATE); ncp_date_unix2dos(attr->ia_ctime, &(info.creationTime), &(info.creationDate)); info.creationTime = le16_to_cpu(info.creationTime); info.creationDate = le16_to_cpu(info.creationDate); } if ((attr->ia_valid & ATTR_MTIME) != 0) { info_mask |= (DM_MODIFY_TIME | DM_MODIFY_DATE); ncp_date_unix2dos(attr->ia_mtime, &(info.modifyTime), &(info.modifyDate)); info.modifyTime = le16_to_cpu(info.modifyTime); info.modifyDate = le16_to_cpu(info.modifyDate); } if ((attr->ia_valid & ATTR_ATIME) != 0) { __u16 dummy; info_mask |= (DM_LAST_ACCESS_DATE); ncp_date_unix2dos(attr->ia_ctime, &(dummy), &(info.lastAccessDate)); info.lastAccessDate = le16_to_cpu(info.lastAccessDate); } if (info_mask != 0) { result = ncp_modify_file_or_subdir_dos_info(NCP_SERVER(inode), inode, info_mask, &info); if (result != 0) { result = -EACCES; if (info_mask == (DM_CREATE_TIME | DM_CREATE_DATE)) { /* NetWare seems not to allow this. I do not know why. So, just tell the user everything went fine. This is a terrible hack, but I do not know how to do this correctly. */ result = 0; } } } if ((attr->ia_valid & ATTR_SIZE) != 0) { int written; DPRINTK(KERN_DEBUG "ncpfs: trying to change size to %ld\n", attr->ia_size); if ((result = ncp_make_open(inode, O_RDWR)) < 0) { return -EACCES; } ncp_write(NCP_SERVER(inode), NCP_FINFO(inode)->file_handle, attr->ia_size, 0, "", &written); /* According to ndir, the changes only take effect after closing the file */ result = ncp_make_closed(inode); } ncp_invalid_dir_cache(dentry->d_parent->d_inode); out: return result; }