return 0;
}
-void free_nfs_cb_data(struct nfs_cb_data *data)
+static void free_nfs_cb_data(struct nfs_cb_data *data)
{
- if (data->saved_path != NULL) {
- free(data->saved_path);
- data->saved_path = NULL;
- }
-
if (data->continue_data != NULL) {
+ assert(data->free_continue_data);
data->free_continue_data(data->continue_data);
- data->continue_data = NULL;
}
- if (data->fh.data.data_val != NULL) {
- free(data->fh.data.data_val);
- data->fh.data.data_val = NULL;
- }
-
- if (data->buffer != NULL) {
- free(data->buffer);
- data->buffer = NULL;
- }
+ free(data->saved_path);
+ free(data->fh.data.data_val);
+ free(data->buffer);
free(data);
}
}
+/*
+ * Async nfs_stat64()
+ */
+static void nfs_stat64_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
+{
+ GETATTR3res *res;
+ struct nfs_cb_data *data = private_data;
+ struct nfs_context *nfs = data->nfs;
+ struct nfs_stat_64 st;
+
+ assert(rpc->magic == RPC_CONTEXT_MAGIC);
+
+ 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: GETATTR of %s failed with %s(%d)", data->saved_path, 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;
+ }
+
+ st.nfs_dev = -1;
+ st.nfs_ino = res->GETATTR3res_u.resok.obj_attributes.fileid;
+ st.nfs_mode = res->GETATTR3res_u.resok.obj_attributes.mode;
+ if (res->GETATTR3res_u.resok.obj_attributes.type == NF3DIR) {
+ st.nfs_mode |= S_IFDIR ;
+ }
+ if (res->GETATTR3res_u.resok.obj_attributes.type == NF3REG) {
+ st.nfs_mode |= S_IFREG ;
+ }
+ st.nfs_nlink = res->GETATTR3res_u.resok.obj_attributes.nlink;
+ st.nfs_uid = res->GETATTR3res_u.resok.obj_attributes.uid;
+ st.nfs_gid = res->GETATTR3res_u.resok.obj_attributes.gid;
+ st.nfs_rdev = 0;
+ st.nfs_size = res->GETATTR3res_u.resok.obj_attributes.size;
+ st.nfs_atime = res->GETATTR3res_u.resok.obj_attributes.atime.seconds;
+ st.nfs_mtime = res->GETATTR3res_u.resok.obj_attributes.mtime.seconds;
+ st.nfs_ctime = res->GETATTR3res_u.resok.obj_attributes.ctime.seconds;
+
+ data->cb(0, nfs, &st, data->private_data);
+ free_nfs_cb_data(data);
+}
+
+static int nfs_stat64_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
+{
+ struct GETATTR3args args;
+
+ memset(&args, 0, sizeof(GETATTR3args));
+ args.object = data->fh;
+
+ if (rpc_nfs3_getattr_async(nfs->rpc, nfs_stat64_1_cb, &args, data) != 0) {
+ rpc_set_error(nfs->rpc, "RPC error: Failed to send STAT GETATTR 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_stat64_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
+{
+ if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_stat64_continue_internal, NULL, NULL, 0) != 0) {
+ rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
+ return -1;
+ }
+
+ return 0;
+}
/*
* Async open()
data->error = 1;
} else {
if (res->READ3res_u.resok.count > 0) {
- memcpy(&data->buffer[mdata->offset - data->start_offset], res->READ3res_u.resok.data.data_val, res->READ3res_u.resok.count);
- if ((unsigned)data->max_offset < mdata->offset + res->READ3res_u.resok.count) {
- data->max_offset = mdata->offset + res->READ3res_u.resok.count;
+ if (res->READ3res_u.resok.count <= mdata->count) {
+ memcpy(&data->buffer[mdata->offset - data->start_offset], res->READ3res_u.resok.data.data_val, res->READ3res_u.resok.count);
+ if ((unsigned)data->max_offset < mdata->offset + res->READ3res_u.resok.count) {
+ data->max_offset = mdata->offset + res->READ3res_u.resok.count;
+ }
+ } else {
+ rpc_set_error(nfs->rpc, "NFS: Read overflow. Server has sent more data than requested!");
+ data->error = 1;
}
}
}
return 0;
}
+ assert(count > 0);
+ assert(data->num_calls == 0);
+
/* trying to read more than maximum server read size, we has to chop it up into smaller
* reads and collect into a reassembly buffer.
* we send all reads in parallel so that performance is still good.
mdata = malloc(sizeof(struct nfs_mcb_data));
if (mdata == NULL) {
rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure");
+ if (data->num_calls == 0)
+ free_nfs_cb_data(data);
return -1;
}
memset(mdata, 0, sizeof(struct nfs_mcb_data));
rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path);
data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
free(mdata);
+ if (data->num_calls == 0)
+ free_nfs_cb_data(data);
return -1;
}
return 0;
}
+ /* hello, clang-analyzer */
+ assert(count > 0);
+ assert(data->num_calls == 0);
+
/* trying to write more than maximum server write size, we has to chop it up into smaller
* chunks.
* we send all writes in parallel so that performance is still good.
mdata = malloc(sizeof(struct nfs_mcb_data));
if (mdata == NULL) {
rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure");
+ if (data->num_calls == 0)
+ free_nfs_cb_data(data);
return -1;
}
memset(mdata, 0, sizeof(struct nfs_mcb_data));
rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path);
data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
free(mdata);
+ if (data->num_calls == 0)
+ free_nfs_cb_data(data);
+
return -1;
}
ptr = strrchr(new_path, '/');
if (ptr == NULL) {
+ free(new_path);
rpc_set_error(nfs->rpc, "Invalid path %s", path);
return -1;
}
ptr = strrchr(new_path, '/');
if (ptr == NULL) {
+ free(new_path);
rpc_set_error(nfs->rpc, "Invalid path %s", path);
return -1;
}
ptr = strrchr(new_path, '/');
if (ptr == NULL) {
+ free(new_path);
rpc_set_error(nfs->rpc, "Invalid path %s", path);
return -1;
}
/* 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;
}
rdpe_cb_data->getattrcount--;
if (status == RPC_STATUS_ERROR) {
+ rpc_set_error(nfs->rpc, "LOOKUP during READDIRPLUS emulation "
+ "failed with RPC_STATUS_ERROR");
rdpe_cb_data->status = RPC_STATUS_ERROR;
}
if (status == RPC_STATUS_CANCEL) {
+ rpc_set_error(nfs->rpc, "LOOKUP during READDIRPLUS emulation "
+ "failed with 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;
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);
+ rpc_set_error(nfs->rpc, "READDIRPLUS emulation "
+ "failed: %s", rpc_get_error(rpc));
+ 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);
nfsdirent->name = strdup(entry->name);
if (nfsdirent->name == NULL) {
data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data);
+ free(nfsdirent);
nfs_free_nfsdir(nfsdir);
data->continue_data = NULL;
free_nfs_cb_data(data);
* commands in flight to complete
*/
if (rdpe_cb_data->getattrcount > 0) {
+ nfs_free_nfsdir(nfsdir);
+ data->continue_data = NULL;
+ free_nfs_cb_data(data);
rdpe_cb_data->status = RPC_STATUS_ERROR;
free(rdpe_lookup_cb_data);
return;
}
}
-
static void nfs_opendir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
{
READDIRPLUS3res *res = command_data;
memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len);
if (nfs_chmod_continue_internal(nfs, data) != 0) {
- free_nfs_cb_data(data);
return -1;
}
memcpy(data->fh.data.data_val, nfsfh->fh.data.data_val, data->fh.data.data_len);
if (nfs_chown_continue_internal(nfs, data) != 0) {
- free_nfs_cb_data(data);
return -1;
}
static int nfs_rename_continue_1_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
{
struct nfs_rename_data *rename_data = data->continue_data;
+ char* newpath = strdup(rename_data->newpath);
+ if (!newpath) {
+ rpc_set_error(nfs->rpc, "Out of memory. Could not allocate memory to store target path for rename");
+ data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
+ free_nfs_cb_data(data);
+ return -1;
+ }
/* steal the filehandle */
rename_data->olddir = data->fh;
data->fh.data.data_val = NULL;
if (nfs_lookuppath_async(nfs, rename_data->newpath, data->cb, data->private_data, nfs_rename_continue_2_internal, rename_data, free_nfs_rename_data, 0) != 0) {
- rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", rename_data->newpath);
+ rpc_set_error(nfs->rpc, "RPC error: Failed to send LOOKUP call for %s", newpath);
data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
free_nfs_cb_data(data);
+ free(newpath);
return -1;
}
data->continue_data = NULL;
free_nfs_cb_data(data);
+ free(newpath);
return 0;
}
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