+ assert(rpc->magic == RPC_CONTEXT_MAGIC);
+
+ str = &str[strlen(str) + 1];
+
+ if (status == RPC_STATUS_ERROR) {
+ data->cb(-EFAULT, nfs, command_data, data->private_data);
+ free_nfs_cb_data(data);
+ return;
+ }
+ if (status == RPC_STATUS_CANCEL) {
+ data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
+ free_nfs_cb_data(data);
+ return;
+ }
+
+ res = command_data;
+ if (res->status != NFS3_OK) {
+ rpc_set_error(nfs->rpc, "NFS: REMOVE of %s/%s failed with %s(%d)", data->saved_path, str, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
+ data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
+ free_nfs_cb_data(data);
+ return;
+ }
+
+ data->cb(0, nfs, NULL, data->private_data);
+ free_nfs_cb_data(data);
+}
+
+static int nfs_unlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
+{
+ char *str = data->continue_data;
+ struct REMOVE3args args;
+
+ str = &str[strlen(str) + 1];
+
+ args.object.dir = data->fh;
+ args.object.name = str;
+ if (rpc_nfs3_remove_async(nfs->rpc, nfs_unlink_cb, &args, data) != 0) {
+ rpc_set_error(nfs->rpc, "RPC error: Failed to send REMOVE call for %s", data->path);
+ data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
+ free_nfs_cb_data(data);
+ return -1;
+ }
+ return 0;
+}
+
+int nfs_unlink_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
+{
+ char *new_path;
+ char *ptr;
+
+ new_path = strdup(path);
+ if (new_path == NULL) {
+ rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
+ return -1;
+ }
+
+ ptr = strrchr(new_path, '/');
+ if (ptr == NULL) {
+ rpc_set_error(nfs->rpc, "Invalid path %s", path);
+ return -1;
+ }
+ *ptr = 0;
+
+ /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
+ if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_unlink_continue_internal, new_path, free, 0) != 0) {
+ rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
+ return -1;
+ }
+
+ return 0;
+}
+
+
+/*
+ * Async mknod()
+ */
+struct mknod_cb_data {
+ char *path;
+ int mode;
+ int major;
+ int minor;
+};
+
+static void free_mknod_cb_data(void *ptr)
+{
+ struct mknod_cb_data *data = ptr;
+
+ free(data->path);
+ free(data);
+}
+
+static void nfs_mknod_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
+{
+ MKNOD3res *res;
+ struct nfs_cb_data *data = private_data;
+ struct nfs_context *nfs = data->nfs;
+ char *str = data->continue_data;
+
+ assert(rpc->magic == RPC_CONTEXT_MAGIC);
+
+ str = &str[strlen(str) + 1];
+
+ if (status == RPC_STATUS_ERROR) {
+ data->cb(-EFAULT, nfs, command_data, data->private_data);
+ free_nfs_cb_data(data);
+ return;
+ }
+ if (status == RPC_STATUS_CANCEL) {
+ data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
+ free_nfs_cb_data(data);
+ return;
+ }
+
+ res = command_data;
+ if (res->status != NFS3_OK) {
+ rpc_set_error(nfs->rpc, "NFS: MKNOD of %s/%s failed with %s(%d)", data->saved_path, str, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
+ data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
+ free_nfs_cb_data(data);
+ return;
+ }
+
+ data->cb(0, nfs, NULL, data->private_data);
+ free_nfs_cb_data(data);
+}
+
+static int nfs_mknod_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
+{
+ struct mknod_cb_data *cb_data = data->continue_data;
+ char *str = cb_data->path;
+ MKNOD3args args;
+
+ str = &str[strlen(str) + 1];
+
+ args.where.dir = data->fh;
+ args.where.name = str;
+ switch (cb_data->mode & S_IFMT) {
+ case S_IFCHR:
+ args.what.type = NF3CHR;
+ args.what.mknoddata3_u.chr_device.dev_attributes.mode.set_it = 1;
+ args.what.mknoddata3_u.chr_device.dev_attributes.mode.set_mode3_u.mode = cb_data->mode & (S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IWGRP|S_IXGRP|S_IROTH|S_IWOTH|S_IXOTH);
+ args.what.mknoddata3_u.chr_device.spec.specdata1 = cb_data->major;
+ args.what.mknoddata3_u.chr_device.spec.specdata2 = cb_data->minor;
+ break;
+ case S_IFBLK:
+ args.what.type = NF3BLK;
+ args.what.mknoddata3_u.blk_device.dev_attributes.mode.set_it = 1;
+ args.what.mknoddata3_u.blk_device.dev_attributes.mode.set_mode3_u.mode = cb_data->mode & (S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IWGRP|S_IXGRP|S_IROTH|S_IWOTH|S_IXOTH);
+ args.what.mknoddata3_u.blk_device.spec.specdata1 = cb_data->major;
+ args.what.mknoddata3_u.blk_device.spec.specdata2 = cb_data->minor;
+ case S_IFSOCK:
+ args.what.type = NF3SOCK;
+ args.what.mknoddata3_u.sock_attributes.mode.set_it = 1;
+ args.what.mknoddata3_u.sock_attributes.mode.set_mode3_u.mode = cb_data->mode & (S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IWGRP|S_IXGRP|S_IROTH|S_IWOTH|S_IXOTH);
+ break;
+ case S_IFIFO:
+ args.what.type = NF3FIFO;
+ args.what.mknoddata3_u.pipe_attributes.mode.set_it = 1;
+ args.what.mknoddata3_u.pipe_attributes.mode.set_mode3_u.mode = cb_data->mode & (S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IWGRP|S_IXGRP|S_IROTH|S_IWOTH|S_IXOTH);
+ break;
+ default:
+ rpc_set_error(nfs->rpc, "Invalid file type for NFS3/MKNOD call");
+ data->cb(-EINVAL, nfs, rpc_get_error(nfs->rpc), data->private_data);
+ free_nfs_cb_data(data);
+ return -1;
+ }
+
+ if (rpc_nfs3_mknod_async(nfs->rpc, nfs_mknod_cb, &args, data) != 0) {
+ data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
+ free_nfs_cb_data(data);
+ return -1;
+ }
+ return 0;
+}
+
+int nfs_mknod_async(struct nfs_context *nfs, const char *path, int mode, int dev, nfs_cb cb, void *private_data)
+{
+ char *ptr;
+ struct mknod_cb_data *cb_data;
+
+ cb_data = malloc(sizeof(struct mknod_cb_data));
+ if (cb_data == NULL) {
+ rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for cb data");
+ return -1;
+ }
+
+ cb_data->path = strdup(path);
+ if (cb_data->path == NULL) {
+ rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
+ free(cb_data);
+ return -1;
+ }
+
+ ptr = strrchr(cb_data->path, '/');
+ if (ptr == NULL) {
+ rpc_set_error(nfs->rpc, "Invalid path %s", path);
+ return -1;
+ }
+ *ptr = 0;
+
+ cb_data->mode = mode;
+ cb_data->major = major(dev);
+ cb_data->minor = minor(dev);
+
+ /* data->path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
+ if (nfs_lookuppath_async(nfs, cb_data->path, cb, private_data, nfs_mknod_continue_internal, cb_data, free_mknod_cb_data, 0) != 0) {
+ rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
+ free_mknod_cb_data(cb_data);
+ return -1;
+ }
+
+ return 0;
+}
+
+/*
+ * Async opendir()
+ */
+
+/* ReadDirPlus Emulation Callback data */
+struct rdpe_cb_data {
+ int getattrcount;
+ int status;
+ struct nfs_cb_data *data;
+};
+
+/* ReadDirPlus Emulation LOOKUP Callback data */
+struct rdpe_lookup_cb_data {
+ struct rdpe_cb_data *rdpe_cb_data;
+ struct nfsdirent *nfsdirent;
+};
+
+/* Workaround for servers lacking READDIRPLUS, use READDIR instead and a GETATTR-loop */
+static void nfs_opendir3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
+{
+ LOOKUP3res *res = command_data;
+ struct rdpe_lookup_cb_data *rdpe_lookup_cb_data = private_data;
+ struct rdpe_cb_data *rdpe_cb_data = rdpe_lookup_cb_data->rdpe_cb_data;
+ struct nfs_cb_data *data = rdpe_cb_data->data;
+ struct nfsdir *nfsdir = data->continue_data;
+ struct nfs_context *nfs = data->nfs;
+ struct nfsdirent *nfsdirent = rdpe_lookup_cb_data->nfsdirent;
+
+ assert(rpc->magic == RPC_CONTEXT_MAGIC);
+
+ free(rdpe_lookup_cb_data);
+
+ rdpe_cb_data->getattrcount--;
+
+ if (status == RPC_STATUS_ERROR) {
+ rdpe_cb_data->status = RPC_STATUS_ERROR;
+ }
+ if (status == RPC_STATUS_CANCEL) {
+ rdpe_cb_data->status = RPC_STATUS_CANCEL;
+ }
+ if (status == RPC_STATUS_SUCCESS && res->status != NFS3_OK) {
+ rdpe_cb_data->status = RPC_STATUS_ERROR;
+ }
+ if (status == RPC_STATUS_SUCCESS && res->status == NFS3_OK) {
+ if (res->LOOKUP3res_u.resok.obj_attributes.attributes_follow) {
+ fattr3 *attributes = &res->LOOKUP3res_u.resok.obj_attributes.post_op_attr_u.attributes;
+
+ nfsdirent->type = attributes->type;
+ nfsdirent->mode = attributes->mode;
+ nfsdirent->size = attributes->size;
+
+ nfsdirent->atime.tv_sec = attributes->atime.seconds;
+ nfsdirent->atime.tv_usec = attributes->atime.nseconds/1000;
+ nfsdirent->mtime.tv_sec = attributes->mtime.seconds;
+ nfsdirent->mtime.tv_usec = attributes->mtime.nseconds/1000;
+ nfsdirent->ctime.tv_sec = attributes->ctime.seconds;
+ nfsdirent->ctime.tv_usec = attributes->ctime.nseconds/1000;
+ }
+ }
+
+ if (rdpe_cb_data->getattrcount == 0) {
+ if (rdpe_cb_data->status != RPC_STATUS_SUCCESS) {
+ data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
+ nfs_free_nfsdir(nfsdir);
+ } else {
+ data->cb(0, nfs, nfsdir, data->private_data);
+ }
+ free(rdpe_cb_data);
+
+ data->continue_data = NULL;
+ free_nfs_cb_data(data);
+ }
+}
+
+static void nfs_opendir2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
+{
+ READDIR3res *res = command_data;
+ struct nfs_cb_data *data = private_data;
+ struct nfs_context *nfs = data->nfs;
+ struct nfsdir *nfsdir = data->continue_data;
+ struct nfsdirent *nfsdirent;
+ struct entry3 *entry;
+ uint64_t cookie;
+ struct rdpe_cb_data *rdpe_cb_data;
+
+ assert(rpc->magic == RPC_CONTEXT_MAGIC);