diff options
| -rw-r--r-- | source3/modules/gpfs.c | 25 | ||||
| -rw-r--r-- | source3/modules/vfs_gpfs.c | 61 |
2 files changed, 86 insertions, 0 deletions
diff --git a/source3/modules/gpfs.c b/source3/modules/gpfs.c index c4b2518e02..92aecb9fb6 100644 --- a/source3/modules/gpfs.c +++ b/source3/modules/gpfs.c @@ -31,6 +31,8 @@ static int (*gpfs_set_share_fn)(int fd, unsigned int allow, unsigned int deny); static int (*gpfs_set_lease_fn)(int fd, unsigned int leaseType); static int (*gpfs_getacl_fn)(char *pathname, int flags, void *acl); static int (*gpfs_putacl_fn)(char *pathname, int flags, void *acl); +static int (*gpfs_get_realfilename_path_fn)(char *pathname, char *filenamep, + int *buflen); bool set_gpfs_sharemode(files_struct *fsp, uint32 access_mask, @@ -134,6 +136,17 @@ int smbd_gpfs_putacl(char *pathname, int flags, void *acl) return gpfs_putacl_fn(pathname, flags, acl); } +int smbd_gpfs_get_realfilename_path(char *pathname, char *filenamep, + int *buflen) +{ + if (gpfs_get_realfilename_path_fn == NULL) { + errno = ENOSYS; + return -1; + } + + return gpfs_get_realfilename_path_fn(pathname, filenamep, buflen); +} + static bool init_gpfs_function_lib(void *plibhandle_pointer, const char *libname, void *pfn_pointer, const char *fn_name) @@ -142,6 +155,9 @@ static bool init_gpfs_function_lib(void *plibhandle_pointer, void **libhandle_pointer = (void **)plibhandle_pointer; void **fn_pointer = (void **)pfn_pointer; + DEBUG(10, ("trying to load name %s from %s\n", + fn_name, libname)); + if (*libhandle_pointer == NULL) { *libhandle_pointer = sys_dlopen(libname, RTLD_LAZY); did_open_here = true; @@ -187,6 +203,8 @@ void init_gpfs(void) init_gpfs_function(&gpfs_set_lease_fn, "gpfs_set_lease"); init_gpfs_function(&gpfs_getacl_fn, "gpfs_getacl"); init_gpfs_function(&gpfs_putacl_fn, "gpfs_putacl"); + init_gpfs_function(&gpfs_get_realfilename_path_fn, + "gpfs_get_realfilename_path"); gpfs_share_modes = lp_parm_bool(-1, "gpfs", "sharemodes", True); gpfs_leases = lp_parm_bool(-1, "gpfs", "leases", True); @@ -226,6 +244,13 @@ int smbd_gpfs_putacl(char *pathname, int flags, void *acl) return -1; } +int smbd_gpfs_get_realfilename_path(char *pathname, char *fileamep, + int *buflen) +{ + errno = ENOSYS; + return -1; +} + void init_gpfs(void) { return; diff --git a/source3/modules/vfs_gpfs.c b/source3/modules/vfs_gpfs.c index 5cadce9e1d..780bd9b8a5 100644 --- a/source3/modules/vfs_gpfs.c +++ b/source3/modules/vfs_gpfs.c @@ -72,7 +72,64 @@ static int vfs_gpfs_setlease(vfs_handle_struct *handle, files_struct *fsp, return ret; } +static int vfs_gpfs_get_real_filename(struct vfs_handle_struct *handle, + const char *path, + const char *name, + TALLOC_CTX *mem_ctx, + char **found_name) +{ + int result; + char *full_path; + char real_pathname[PATH_MAX+1]; + int buflen; + + full_path = talloc_asprintf(talloc_tos(), "%s/%s", path, name); + if (full_path == NULL) { + errno = ENOMEM; + return -1; + } + + buflen = sizeof(real_pathname) - 1; + + result = smbd_gpfs_get_realfilename_path(full_path, real_pathname, + &buflen); + + TALLOC_FREE(full_path); + + if (result == -1) { + DEBUG(10, ("smbd_gpfs_get_realfilename_path returned %s\n", + strerror(errno))); + return -1; + } + + /* + * GPFS does not necessarily null-terminate the returned path + * but instead returns the buffer length in buflen. + */ + if (buflen < sizeof(real_pathname)) { + real_pathname[buflen] = '\0'; + } else { + real_pathname[sizeof(real_pathname)-1] = '\0'; + } + + DEBUG(10, ("smbd_gpfs_get_realfilename_path: %s/%s -> %s\n", + path, name, real_pathname)); + + name = strrchr_m(real_pathname, '/'); + if (name == NULL) { + errno = ENOENT; + return -1; + } + + *found_name = talloc_strdup(mem_ctx, name+1); + if (*found_name == NULL) { + errno = ENOMEM; + return -1; + } + + return 0; +} static void gpfs_dumpacl(int level, struct gpfs_acl *gacl) { @@ -822,6 +879,10 @@ static vfs_op_tuple gpfs_op_tuples[] = { SMB_VFS_OP_LINUX_SETLEASE, SMB_VFS_LAYER_OPAQUE }, + { SMB_VFS_OP(vfs_gpfs_get_real_filename), + SMB_VFS_OP_GET_REAL_FILENAME, + SMB_VFS_LAYER_OPAQUE }, + { SMB_VFS_OP(gpfsacl_fget_nt_acl), SMB_VFS_OP_FGET_NT_ACL, SMB_VFS_LAYER_TRANSPARENT }, |