diff options
Diffstat (limited to 'fs/ncpfs/ncplib_kernel.c')
-rw-r--r-- | fs/ncpfs/ncplib_kernel.c | 290 |
1 files changed, 264 insertions, 26 deletions
diff --git a/fs/ncpfs/ncplib_kernel.c b/fs/ncpfs/ncplib_kernel.c index 8d60732ef..5de6767e4 100644 --- a/fs/ncpfs/ncplib_kernel.c +++ b/fs/ncpfs/ncplib_kernel.c @@ -8,6 +8,8 @@ */ +#include <linux/config.h> + #include "ncplib_kernel.h" static inline int min(int a, int b) @@ -135,6 +137,33 @@ ncp_negotiate_buffersize(struct ncp_server *server, int size, int *target) return 0; } + +/* options: + * bit 0 ipx checksum + * bit 1 packet signing + */ +int +ncp_negotiate_size_and_options(struct ncp_server *server, + int size, int options, int *ret_size, int *ret_options) { + int result; + + ncp_init_request(server); + ncp_add_word(server, htons(size)); + ncp_add_byte(server, options); + + if ((result = ncp_request(server, 0x61)) != 0) + { + ncp_unlock_server(server); + return result; + } + + *ret_size = min(ntohs(ncp_reply_word(server, 0)), size); + *ret_options = ncp_reply_byte(server, 4); + + ncp_unlock_server(server); + return 0; +} + int ncp_get_volume_info_with_number(struct ncp_server *server, int n, struct ncp_volume_info *target) @@ -252,7 +281,7 @@ int ncp_obtain_info(struct ncp_server *server, struct inode *dir, char *path, ncp_add_byte(server, 6); /* subfunction */ ncp_add_byte(server, server->name_space[volnum]); ncp_add_byte(server, server->name_space[volnum]); /* N.B. twice ?? */ - ncp_add_word(server, htons(0xff00)); /* get all */ + ncp_add_word(server, htons(0x0680)); /* get all */ ncp_add_dword(server, RIM_ALL); ncp_add_handle_path(server, volnum, dirent, 1, path); @@ -265,9 +294,34 @@ out: return result; } +static int +ncp_obtain_DOS_dir_base(struct ncp_server *server, + __u8 volnum, __u32 dirent, + char *path, /* At most 1 component */ + __u32 *DOS_dir_base) +{ + int result; + + ncp_init_request(server); + ncp_add_byte(server, 6); /* subfunction */ + ncp_add_byte(server, server->name_space[volnum]); + ncp_add_byte(server, server->name_space[volnum]); + ncp_add_word(server, htons(0x0680)); /* get all */ + ncp_add_dword(server, RIM_DIRECTORY); + ncp_add_handle_path(server, volnum, dirent, 1, path); + + if ((result = ncp_request(server, 87)) == 0) + { + if (DOS_dir_base) *DOS_dir_base=ncp_reply_dword(server, 0x34); + } + ncp_unlock_server(server); + return result; +} + static inline int -ncp_has_os2_namespace(struct ncp_server *server, __u8 volume) +ncp_get_known_namespace(struct ncp_server *server, __u8 volume) { +#if defined(CONFIG_NCPFS_OS2_NS) || defined(CONFIG_NCPFS_NFS_NS) int result; __u8 *namespace; __u16 no_namespaces; @@ -279,26 +333,92 @@ ncp_has_os2_namespace(struct ncp_server *server, __u8 volume) if ((result = ncp_request(server, 87)) != 0) { ncp_unlock_server(server); - return 0; /* not result ?? */ + return NW_NS_DOS; /* not result ?? */ } + + result = NW_NS_DOS; no_namespaces = ncp_reply_word(server, 0); namespace = ncp_reply_data(server, 2); - result = 1; while (no_namespaces > 0) { DPRINTK(KERN_DEBUG "get_namespaces: found %d on %d\n", *namespace, volume); - if (*namespace == 4) { - DPRINTK(KERN_DEBUG "get_namespaces: found OS2\n"); - goto out; +#ifdef CONFIG_NCPFS_NFS_NS + if ((*namespace == NW_NS_NFS) && !(server->m.flags&NCP_MOUNT_NO_NFS)) + { + result = NW_NS_NFS; + break; } +#endif /* CONFIG_NCPFS_NFS_NS */ +#ifdef CONFIG_NCPFS_OS2_NS + if ((*namespace == NW_NS_OS2) && !(server->m.flags&NCP_MOUNT_NO_OS2)) + { + result = NW_NS_OS2; + } +#endif /* CONFIG_NCPFS_OS2_NS */ namespace += 1; no_namespaces -= 1; } - result = 0; -out: ncp_unlock_server(server); return result; +#else /* neither OS2 nor NFS - only DOS */ + return NW_NS_DOS; +#endif /* defined(CONFIG_NCPFS_OS2_NS) || defined(CONFIG_NCPFS_NFS_NS) */ +} + +static int +ncp_ObtainSpecificDirBase(struct ncp_server *server, + __u8 nsSrc, __u8 nsDst, __u8 vol_num, __u32 dir_base, + char *path, /* At most 1 component */ + __u32 *dirEntNum, __u32 *DosDirNum) +{ + int result; + + ncp_init_request(server); + ncp_add_byte(server, 6); /* subfunction */ + ncp_add_byte(server, nsSrc); + ncp_add_byte(server, nsDst); + ncp_add_word(server, 0x8006); /* get all */ + ncp_add_dword(server, RIM_ALL); + ncp_add_handle_path(server, vol_num, dir_base, 1, path); + + if ((result = ncp_request(server, 87)) != 0) + { + ncp_unlock_server(server); + return result; + } + + if (dirEntNum) + *dirEntNum = ncp_reply_dword(server, 0x30); + if (DosDirNum) + *DosDirNum = ncp_reply_dword(server, 0x34); + ncp_unlock_server(server); + return 0; +} + +int +ncp_mount_subdir(struct ncp_server *server, + __u8 volNumber, + __u8 srcNS, __u32 dirEntNum) +{ + int dstNS; + int result; + __u32 newDirEnt; + __u32 newDosEnt; + + dstNS = ncp_get_known_namespace(server, volNumber); + if ((result = ncp_ObtainSpecificDirBase(server, srcNS, dstNS, volNumber, + dirEntNum, NULL, &newDirEnt, &newDosEnt)) != 0) + { + return result; + } + server->name_space[volNumber] = dstNS; + server->root.finfo.i.volNumber = volNumber; + server->root.finfo.i.dirEntNum = newDirEnt; + server->root.finfo.i.DosDirNum = newDosEnt; + server->m.mounted_vol[1] = 0; + server->m.mounted_vol[0] = 'X'; + return 0; } int @@ -332,7 +452,7 @@ ncp_lookup_volume(struct ncp_server *server, char *volname, target->volNumber = volnum = ncp_reply_byte(server, 8); ncp_unlock_server(server); - server->name_space[volnum] = ncp_has_os2_namespace(server, volnum) ? 4 : 0; + server->name_space[volnum] = ncp_get_known_namespace(server, volnum); DPRINTK(KERN_DEBUG "lookup_vol: namespace[%d] = %d\n", volnum, server->name_space[volnum]); @@ -366,25 +486,65 @@ int ncp_modify_file_or_subdir_dos_info(struct ncp_server *server, return result; } -int ncp_del_file_or_subdir(struct ncp_server *server, - struct inode *dir, char *name) +static int +ncp_DeleteNSEntry(struct ncp_server *server, + __u8 have_dir_base, __u8 volnum, __u32 dirent, + char* name, __u8 ns, int attr) { - __u8 volnum = NCP_FINFO(dir)->volNumber; - __u32 dirent = NCP_FINFO(dir)->dirEntNum; int result; ncp_init_request(server); ncp_add_byte(server, 8); /* subfunction */ - ncp_add_byte(server, server->name_space[volnum]); + ncp_add_byte(server, ns); ncp_add_byte(server, 0); /* reserved */ - ncp_add_word(server, ntohs(0x0680)); /* search attribs: all */ - ncp_add_handle_path(server, volnum, dirent, 1, name); + ncp_add_word(server, attr); /* search attribs: all */ + ncp_add_handle_path(server, volnum, dirent, have_dir_base, name); result = ncp_request(server, 87); ncp_unlock_server(server); return result; } +int +ncp_del_file_or_subdir2(struct ncp_server *server, + struct dentry *dentry) +{ + struct inode *inode = dentry->d_inode; + __u8 volnum; + __u32 dirent; + + if (!inode) { +#if CONFIG_NCPFS_DEBUGDENTRY + printk(KERN_DEBUG "ncpfs: ncpdel2: dentry->d_inode == NULL\n"); +#endif + return 0xFF; /* Any error */ + } + volnum = NCP_FINFO(inode)->volNumber; + dirent = NCP_FINFO(inode)->DosDirNum; + return ncp_DeleteNSEntry(server, 1, volnum, dirent, NULL, NW_NS_DOS, htons(0x0680)); +} + +int +ncp_del_file_or_subdir(struct ncp_server *server, + struct inode *dir, char *name) +{ + __u8 volnum = NCP_FINFO(dir)->volNumber; + __u32 dirent = NCP_FINFO(dir)->dirEntNum; + +#ifdef CONFIG_NCPFS_NFS_NS + if (server->name_space[volnum]==NW_NS_NFS) + { + int result; + + result=ncp_obtain_DOS_dir_base(server, volnum, dirent, name, &dirent); + if (result) return result; + return ncp_DeleteNSEntry(server, 1, volnum, dirent, NULL, NW_NS_DOS, htons(0x0680)); + } + else +#endif /* CONFIG_NCPFS_NFS_NS */ + return ncp_DeleteNSEntry(server, 1, volnum, dirent, name, server->name_space[volnum], htons(0x0680)); +} + static inline void ConvertToNWfromDWORD(__u32 sfd, __u8 ret[6]) { __u16 *dest = (__u16 *) ret; @@ -480,13 +640,20 @@ int ncp_search_for_file_or_subdir(struct ncp_server *server, ncp_add_byte(server, 3); /* subfunction */ ncp_add_byte(server, server->name_space[seq->volNumber]); ncp_add_byte(server, 0); /* data stream (???) */ - ncp_add_word(server, 0xffff); /* Search attribs */ + ncp_add_word(server, htons(0x0680)); /* Search attribs */ ncp_add_dword(server, RIM_ALL); /* return info mask */ ncp_add_mem(server, seq, 9); - ncp_add_byte(server, 2); /* 2 byte pattern */ - ncp_add_byte(server, 0xff); /* following is a wildcard */ - ncp_add_byte(server, '*'); - +#ifdef CONFIG_NCPFS_NFS_NS + if (server->name_space[seq->volNumber] == NW_NS_NFS) { + ncp_add_byte(server, 0); /* 0 byte pattern */ + } else +#endif + { + ncp_add_byte(server, 2); /* 2 byte pattern */ + ncp_add_byte(server, 0xff); /* following is a wildcard */ + ncp_add_byte(server, '*'); + } + if ((result = ncp_request(server, 87)) != 0) goto out; memcpy(seq, ncp_reply_data(server, 0), sizeof(*seq)); @@ -497,9 +664,10 @@ out: return result; } -int ncp_ren_or_mov_file_or_subdir(struct ncp_server *server, - struct inode *old_dir, char *old_name, - struct inode *new_dir, char *new_name) +int +ncp_RenameNSEntry(struct ncp_server *server, + struct inode *old_dir, char *old_name, int old_type, + struct inode *new_dir, char *new_name) { int result = -EINVAL; @@ -511,7 +679,7 @@ int ncp_ren_or_mov_file_or_subdir(struct ncp_server *server, ncp_add_byte(server, 4); /* subfunction */ ncp_add_byte(server, server->name_space[NCP_FINFO(old_dir)->volNumber]); ncp_add_byte(server, 1); /* rename flag */ - ncp_add_word(server, ntohs(0x0680)); /* search attributes */ + ncp_add_word(server, old_type); /* search attributes */ /* source Handle Path */ ncp_add_byte(server, NCP_FINFO(old_dir)->volNumber); @@ -536,6 +704,30 @@ out: return result; } +int ncp_ren_or_mov_file_or_subdir(struct ncp_server *server, + struct inode *old_dir, char *old_name, + struct inode *new_dir, char *new_name) +{ + int result; + int old_type = htons(0x0600); + +/* If somebody can do it atomic, call me... vandrove@vc.cvut.cz */ + result = ncp_RenameNSEntry(server, old_dir, old_name, old_type, + new_dir, new_name); + if (result == 0xFF) /* File Not Found, try directory */ + { + old_type = htons(0x1600); + result = ncp_RenameNSEntry(server, old_dir, old_name, old_type, + new_dir, new_name); + } + if (result != 0x92) return result; /* All except NO_FILES_RENAMED */ + result = ncp_del_file_or_subdir(server, new_dir, new_name); + if (result != 0) return -EACCES; + result = ncp_RenameNSEntry(server, old_dir, old_name, old_type, + new_dir, new_name); + return result; +} + /* We have to transfer to/from user space */ int @@ -587,3 +779,49 @@ out: ncp_unlock_server(server); return result; } + +#ifdef CONFIG_NCPFS_IOCTL_LOCKING +int +ncp_LogPhysicalRecord(struct ncp_server *server, const char *file_id, + __u8 locktype, __u32 offset, __u32 length, __u16 timeout) +{ + int result; + + ncp_init_request(server); + ncp_add_byte(server, locktype); + ncp_add_mem(server, file_id, 6); + ncp_add_dword(server, htonl(offset)); + ncp_add_dword(server, htonl(length)); + ncp_add_word(server, htons(timeout)); + + if ((result = ncp_request(server, 0x1A)) != 0) + { + ncp_unlock_server(server); + return result; + } + ncp_unlock_server(server); + return 0; +} + +int +ncp_ClearPhysicalRecord(struct ncp_server *server, const char *file_id, + __u32 offset, __u32 length) +{ + int result; + + ncp_init_request(server); + ncp_add_byte(server, 0); /* who knows... lanalyzer says that */ + ncp_add_mem(server, file_id, 6); + ncp_add_dword(server, htonl(offset)); + ncp_add_dword(server, htonl(length)); + + if ((result = ncp_request(server, 0x1E)) != 0) + { + ncp_unlock_server(server); + return result; + } + ncp_unlock_server(server); + return 0; +} +#endif /* CONFIG_NCPFS_IOCTL_LOCKING */ + |