}
+/*
+ * 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()
free_nfs_cb_data(data);
}
+static void nfs_fill_READ3args(READ3args *args, struct nfsfh *fh, uint64_t offset, uint64_t count)
+{
+ memset(args, 0, sizeof(READ3args));
+ args->file = fh->fh;
+ args->offset = offset;
+ args->count = count;
+}
+
static void nfs_pread_mcb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
{
struct nfs_mcb_data *mdata = private_data;
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;
}
}
}
if (count <= nfs_get_readmax(nfs)) {
READ3args args;
-
- memset(&args, 0, sizeof(READ3args));
- args.file = nfsfh->fh;
- args.offset = offset;
- args.count = count;
+ nfs_fill_READ3args(&args, nfsfh, offset, count);
if (rpc_nfs3_read_async(nfs->rpc, nfs_pread_cb, &args, data) != 0) {
rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path);
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));
mdata->offset = offset;
mdata->count = readcount;
- memset(&args, 0, sizeof(READ3args));
- args.file = nfsfh->fh;
- args.offset = offset;
- args.count = readcount;
+ nfs_fill_READ3args(&args, nfsfh, offset, readcount);
if (rpc_nfs3_read_async(nfs->rpc, nfs_pread_mcb, &args, mdata) != 0) {
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;
}
free_nfs_cb_data(data);
}
+static void nfs_fill_WRITE3args (WRITE3args *args, struct nfsfh *fh, uint64_t offset, uint64_t count,
+ void *buf)
+{
+ memset(args, 0, sizeof(WRITE3args));
+ args->file = fh->fh;
+ args->offset = offset;
+ args->count = count;
+ args->stable = fh->is_sync?FILE_SYNC:UNSTABLE;
+ args->data.data_len = count;
+ args->data.data_val = buf;
+}
+
static void nfs_pwrite_mcb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
{
struct nfs_mcb_data *mdata = private_data;
if (count <= nfs_get_writemax(nfs)) {
WRITE3args args;
-
- memset(&args, 0, sizeof(WRITE3args));
- args.file = nfsfh->fh;
- args.offset = offset;
- args.count = count;
- args.stable = nfsfh->is_sync?FILE_SYNC:UNSTABLE;
- args.data.data_len = count;
- args.data.data_val = buf;
+ nfs_fill_WRITE3args(&args, nfsfh, offset, count, buf);
if (rpc_nfs3_write_async(nfs->rpc, nfs_pwrite_cb, &args, data) != 0) {
rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path);
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));
mdata->offset = offset;
mdata->count = writecount;
- memset(&args, 0, sizeof(WRITE3args));
- args.file = nfsfh->fh;
- args.offset = offset;
- args.count = writecount;
- args.stable = nfsfh->is_sync?FILE_SYNC:UNSTABLE;
- args.data.data_len = writecount;
- args.data.data_val = &buf[offset - data->start_offset];
+ nfs_fill_WRITE3args(&args, nfsfh, offset, writecount, &buf[offset - data->start_offset]);
if (rpc_nfs3_write_async(nfs->rpc, nfs_pwrite_mcb, &args, mdata) != 0) {
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;
}
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);
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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