/* * Fill in the inode based on the ncp_entry_info structure. */ static void ncp_set_attr(struct inode *inode, struct ncp_entry_info *nwinfo) { struct ncp_server *server = NCP_SERVER(inode); NCP_FINFO(inode)->flags = 0; ncp_update_attrs(inode, nwinfo); DDPRINTK("ncp_read_inode: inode->i_mode = %u\n", inode->i_mode); inode->i_nlink = 1; inode->i_uid = server->m.uid; inode->i_gid = server->m.gid; ncp_update_dates(inode, &nwinfo->i); ncp_update_inode(inode, nwinfo); }
/* * Fill in the inode based on the nw_file_info structure. */ static void ncp_set_attr(struct inode *inode, struct nw_file_info *nwinfo) { struct nw_info_struct *nwi = &nwinfo->i; struct ncp_server *server = NCP_SERVER(inode); if (nwi->attributes & aDIR) { inode->i_mode = server->m.dir_mode; /* for directories dataStreamSize seems to be some Object ID ??? */ inode->i_size = 512; } else { inode->i_mode = server->m.file_mode; inode->i_size = le32_to_cpu(nwi->dataStreamSize); } if (nwi->attributes & aRONLY) inode->i_mode &= ~0222; DDPRINTK(KERN_DEBUG "ncp_read_inode: inode->i_mode = %u\n", inode->i_mode); inode->i_nlink = 1; inode->i_uid = server->m.uid; inode->i_gid = server->m.gid; inode->i_blksize = 512; inode->i_rdev = 0; inode->i_blocks = 0; if ((inode->i_blksize != 0) && (inode->i_size != 0)) { inode->i_blocks = (inode->i_size - 1) / inode->i_blksize + 1; } inode->i_mtime = ncp_date_dos2unix(le16_to_cpu(nwi->modifyTime), le16_to_cpu(nwi->modifyDate)); inode->i_ctime = ncp_date_dos2unix(le16_to_cpu(nwi->creationTime), le16_to_cpu(nwi->creationDate)); inode->i_atime = ncp_date_dos2unix(0, le16_to_cpu(nwi->lastAccessDate)); ncp_update_inode(inode, nwinfo); }
/* * Open a file with the specified read/write mode. */ int ncp_make_open(struct inode *inode, int right) { int error; int access; error = -EINVAL; if (!inode) { pr_err("%s: got NULL inode\n", __func__); goto out; } ncp_dbg(1, "opened=%d, volume # %u, dir entry # %u\n", atomic_read(&NCP_FINFO(inode)->opened), NCP_FINFO(inode)->volNumber, NCP_FINFO(inode)->dirEntNum); error = -EACCES; mutex_lock(&NCP_FINFO(inode)->open_mutex); if (!atomic_read(&NCP_FINFO(inode)->opened)) { struct ncp_entry_info finfo; int result; /* tries max. rights */ finfo.access = O_RDWR; result = ncp_open_create_file_or_subdir(NCP_SERVER(inode), inode, NULL, OC_MODE_OPEN, 0, AR_READ | AR_WRITE, &finfo); if (!result) goto update; /* RDWR did not succeeded, try readonly or writeonly as requested */ switch (right) { case O_RDONLY: finfo.access = O_RDONLY; result = ncp_open_create_file_or_subdir(NCP_SERVER(inode), inode, NULL, OC_MODE_OPEN, 0, AR_READ, &finfo); break; case O_WRONLY: finfo.access = O_WRONLY; result = ncp_open_create_file_or_subdir(NCP_SERVER(inode), inode, NULL, OC_MODE_OPEN, 0, AR_WRITE, &finfo); break; } if (result) { ncp_vdbg("failed, result=%d\n", result); goto out_unlock; } /* * Update the inode information. */ update: ncp_update_inode(inode, &finfo); atomic_set(&NCP_FINFO(inode)->opened, 1); } access = NCP_FINFO(inode)->access; ncp_vdbg("file open, access=%x\n", access); if (access == right || access == O_RDWR) { atomic_inc(&NCP_FINFO(inode)->opened); error = 0; } out_unlock: mutex_unlock(&NCP_FINFO(inode)->open_mutex); out: return error; }
int ncp_make_open(struct inode *inode, int right) { int error; int access; error = -EINVAL; if (!inode) { printk(KERN_ERR "ncp_make_open: got NULL inode\n"); goto out; } DPRINTK("ncp_make_open: opened=%d, volume # %u, dir entry # %u\n", atomic_read(&NCP_FINFO(inode)->opened), NCP_FINFO(inode)->volNumber, NCP_FINFO(inode)->dirEntNum); error = -EACCES; mutex_lock(&NCP_FINFO(inode)->open_mutex); if (!atomic_read(&NCP_FINFO(inode)->opened)) { struct ncp_entry_info finfo; int result; /* */ finfo.access = O_RDWR; result = ncp_open_create_file_or_subdir(NCP_SERVER(inode), inode, NULL, OC_MODE_OPEN, 0, AR_READ | AR_WRITE, &finfo); if (!result) goto update; /* */ switch (right) { case O_RDONLY: finfo.access = O_RDONLY; result = ncp_open_create_file_or_subdir(NCP_SERVER(inode), inode, NULL, OC_MODE_OPEN, 0, AR_READ, &finfo); break; case O_WRONLY: finfo.access = O_WRONLY; result = ncp_open_create_file_or_subdir(NCP_SERVER(inode), inode, NULL, OC_MODE_OPEN, 0, AR_WRITE, &finfo); break; } if (result) { PPRINTK("ncp_make_open: failed, result=%d\n", result); goto out_unlock; } /* */ update: ncp_update_inode(inode, &finfo); atomic_set(&NCP_FINFO(inode)->opened, 1); } access = NCP_FINFO(inode)->access; PPRINTK("ncp_make_open: file open, access=%x\n", access); if (access == right || access == O_RDWR) { atomic_inc(&NCP_FINFO(inode)->opened); error = 0; } out_unlock: mutex_unlock(&NCP_FINFO(inode)->open_mutex); out: return error; }