/*
* High level api to nfs filesystems
*/
+#ifdef WIN32
+#include "win32_compat.h"
+#define DllExport
+#else
+#include <strings.h>
+#include <sys/statvfs.h>
+#include <utime.h>
+#include <unistd.h>
+#endif/*WIN32*/
#define _GNU_SOURCE
+
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
-#include <strings.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
-#include <sys/statvfs.h>
-#include <utime.h>
-#include <unistd.h>
#include <fcntl.h>
+#include <netinet/in.h>
+#include "libnfs-zdr.h"
#include "libnfs.h"
#include "libnfs-raw.h"
#include "libnfs-raw-mount.h"
struct nfsfh {
struct nfs_fh3 fh;
int is_sync;
- off_t offset;
+ uint64_t offset;
};
struct nfs_context {
char *server;
char *export;
struct nfs_fh3 rootfh;
- size_t readmax;
- size_t writemax;
+ uint64_t readmax;
+ uint64_t writemax;
};
void nfs_free_nfsdir(struct nfsdir *nfsdir)
int error;
int cancel;
int num_calls;
- off_t start_offset, max_offset;
+ uint64_t start_offset, max_offset;
char *buffer;
};
struct nfs_mcb_data {
struct nfs_cb_data *data;
- off_t offset;
- size_t count;
+ uint64_t offset;
+ uint64_t count;
};
static int nfs_lookup_path_async_internal(struct nfs_context *nfs, struct nfs_cb_data *data, struct nfs_fh3 *fh);
-void nfs_set_auth(struct nfs_context *nfs, struct AUTH *auth)
+void nfs_set_auth(struct nfs_context *nfs, AUTH *auth)
{
- return rpc_set_auth(nfs->rpc, auth);
+ rpc_set_auth(nfs->rpc, auth);
}
int nfs_get_fd(struct nfs_context *nfs)
return rpc_get_fd(nfs->rpc);
}
+int nfs_queue_length(struct nfs_context *nfs)
+{
+ return rpc_queue_length(nfs->rpc);
+}
+
int nfs_which_events(struct nfs_context *nfs)
{
return rpc_which_events(nfs->rpc);
return NULL;
}
+ nfs->server = NULL;
+ nfs->export = NULL;
+
+ nfs->rootfh.data.data_len = 0;
+ nfs->rootfh.data.data_val = NULL;
+
return nfs;
}
struct nfs_cb_data *data = private_data;
struct nfs_context *nfs = data->nfs;
+ /* Dont want any more callbacks even if the socket is closed */
+ rpc->connect_cb = NULL;
+
if (status == RPC_STATUS_ERROR) {
data->cb(-EFAULT, nfs, command_data, data->private_data);
free_nfs_cb_data(data);
free_nfs_cb_data(data);
return;
}
+ /* NFS TCP connections we want to autoreconnect after sessions are torn down (due to inactivity or error) */
+ rpc_set_autoreconnect(rpc);
}
struct nfs_cb_data *data = private_data;
struct nfs_context *nfs = data->nfs;
+ /* Dont want any more callbacks even if the socket is closed */
+ rpc->connect_cb = NULL;
+
if (status == RPC_STATUS_ERROR) {
data->cb(-EFAULT, nfs, command_data, data->private_data);
free_nfs_cb_data(data);
return;
}
- if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, nfs_mount_3_cb, private_data) != 0) {
+ if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, IPPROTO_TCP, nfs_mount_3_cb, private_data) != 0) {
data->cb(-ENOMEM, nfs, command_data, data->private_data);
free_nfs_cb_data(data);
return;
struct nfs_cb_data *data = private_data;
struct nfs_context *nfs = data->nfs;
+ /* Dont want any more callbacks even if the socket is closed */
+ rpc->connect_cb = NULL;
+
if (status == RPC_STATUS_ERROR) {
data->cb(-EFAULT, nfs, command_data, data->private_data);
free_nfs_cb_data(data);
int nfs_mount_async(struct nfs_context *nfs, const char *server, const char *export, nfs_cb cb, void *private_data)
{
struct nfs_cb_data *data;
+ char *new_server, *new_export;
data = malloc(sizeof(struct nfs_cb_data));
if (data == NULL) {
rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data");
return -1;
}
- bzero(data, sizeof(struct nfs_cb_data));
- nfs->server = strdup(server);
- nfs->export = strdup(export);
+ memset(data, 0, sizeof(struct nfs_cb_data));
+ new_server = strdup(server);
+ new_export = strdup(export);
+ if (nfs->server != NULL) {
+ free(nfs->server);
+ }
+ nfs->server = new_server;
+ if (nfs->export != NULL) {
+ free(nfs->export);
+ }
+ nfs->export = new_export;
data->nfs = nfs;
data->cb = cb;
data->private_data = private_data;
}
path = data->path;
- str = index(path, '/');
+ str = strchr(path, '/');
if (str != NULL) {
*str = 0;
data->path = str+1;
rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
return -1;
}
- bzero(data, sizeof(struct nfs_cb_data));
+ memset(data, 0, sizeof(struct nfs_cb_data));
data->nfs = nfs;
data->cb = cb;
data->continue_cb = continue_cb;
st.st_dev = -1;
st.st_ino = res->GETATTR3res_u.resok.obj_attributes.fileid;
st.st_mode = res->GETATTR3res_u.resok.obj_attributes.mode;
+ if (res->GETATTR3res_u.resok.obj_attributes.type == NF3DIR) {
+ st.st_mode |= S_IFDIR ;
+ }
+ if (res->GETATTR3res_u.resok.obj_attributes.type == NF3REG) {
+ st.st_mode |= S_IFREG ;
+ }
st.st_nlink = res->GETATTR3res_u.resok.obj_attributes.nlink;
st.st_uid = res->GETATTR3res_u.resok.obj_attributes.uid;
st.st_gid = res->GETATTR3res_u.resok.obj_attributes.gid;
st.st_rdev = 0;
st.st_size = res->GETATTR3res_u.resok.obj_attributes.size;
+#ifndef WIN32
st.st_blksize = 4096;
st.st_blocks = res->GETATTR3res_u.resok.obj_attributes.size / 4096;
+#endif//WIN32
st.st_atime = res->GETATTR3res_u.resok.obj_attributes.atime.seconds;
st.st_mtime = res->GETATTR3res_u.resok.obj_attributes.mtime.seconds;
st.st_ctime = res->GETATTR3res_u.resok.obj_attributes.ctime.seconds;
free_nfs_cb_data(data);
return;
}
- bzero(nfsfh, sizeof(struct nfsfh));
+ memset(nfsfh, 0, sizeof(struct nfsfh));
if (data->continue_int & O_SYNC) {
nfsfh->is_sync = 1;
if (res->status != NFS3_OK) {
rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
data->error = 1;
- } else {
- 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 {
+ 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;
+ }
}
}
}
data->nfsfh->offset = data->max_offset;
data->cb(data->max_offset - data->start_offset, nfs, data->buffer, data->private_data);
+
free_nfs_cb_data(data);
free(mdata);
}
-int nfs_pread_async(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, size_t count, nfs_cb cb, void *private_data)
+int nfs_pread_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, uint64_t count, nfs_cb cb, void *private_data)
{
struct nfs_cb_data *data;
rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
return -1;
}
- bzero(data, sizeof(struct nfs_cb_data));
+ memset(data, 0, sizeof(struct nfs_cb_data));
data->nfs = nfs;
data->cb = cb;
data->private_data = private_data;
* reads and collect into a reassembly buffer.
* we send all reads in parallell so that performance is still good.
*/
+ data->max_offset = offset;
data->start_offset = offset;
data->buffer = malloc(count);
}
while (count > 0) {
- size_t readcount = count;
+ uint64_t readcount = count;
struct nfs_mcb_data *mdata;
if (readcount > nfs_get_readmax(nfs)) {
rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure");
return -1;
}
- bzero(mdata, sizeof(struct nfs_mcb_data));
+ memset(mdata, 0, sizeof(struct nfs_mcb_data));
mdata->data = data;
mdata->offset = offset;
mdata->count = readcount;
/*
* Async read()
*/
-int nfs_read_async(struct nfs_context *nfs, struct nfsfh *nfsfh, size_t count, nfs_cb cb, void *private_data)
+int nfs_read_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, nfs_cb cb, void *private_data)
{
return nfs_pread_async(nfs, nfsfh, nfsfh->offset, count, cb, private_data);
}
free_nfs_cb_data(data);
}
-int nfs_pwrite_async(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, size_t count, char *buf, nfs_cb cb, void *private_data)
+static void nfs_pwrite_mcb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
+{
+ struct nfs_mcb_data *mdata = private_data;
+ struct nfs_cb_data *data = mdata->data;
+ struct nfs_context *nfs = data->nfs;
+ WRITE3res *res;
+
+ data->num_calls--;
+
+ if (status == RPC_STATUS_ERROR) {
+ /* flag the failure but do not invoke callback until we have received all responses */
+ data->error = 1;
+ }
+ if (status == RPC_STATUS_CANCEL) {
+ /* flag the cancellation but do not invoke callback until we have received all responses */
+ data->cancel = 1;
+ }
+
+ if (status == RPC_STATUS_SUCCESS) {
+ res = command_data;
+ if (res->status != NFS3_OK) {
+ rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
+ data->error = 1;
+ } else {
+ if (res->WRITE3res_u.resok.count > 0) {
+ if ((unsigned)data->max_offset < mdata->offset + res->WRITE3res_u.resok.count) {
+ data->max_offset = mdata->offset + res->WRITE3res_u.resok.count;
+ }
+ }
+ }
+ }
+
+ if (data->num_calls > 0) {
+ /* still waiting for more replies */
+ free(mdata);
+ return;
+ }
+
+ if (data->error != 0) {
+ data->cb(-EFAULT, nfs, command_data, data->private_data);
+ free_nfs_cb_data(data);
+ free(mdata);
+ return;
+ }
+ if (data->cancel != 0) {
+ data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
+ free_nfs_cb_data(data);
+ free(mdata);
+ return;
+ }
+
+ data->nfsfh->offset = data->max_offset;
+ data->cb(data->max_offset - data->start_offset, nfs, NULL, data->private_data);
+
+ free_nfs_cb_data(data);
+ free(mdata);
+}
+
+
+int nfs_pwrite_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, uint64_t count, char *buf, nfs_cb cb, void *private_data)
{
struct nfs_cb_data *data;
rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
return -1;
}
- bzero(data, sizeof(struct nfs_cb_data));
+ memset(data, 0, sizeof(struct nfs_cb_data));
data->nfs = nfs;
data->cb = cb;
data->private_data = private_data;
data->nfsfh = nfsfh;
nfsfh->offset = offset;
- if (rpc_nfs_write_async(nfs->rpc, nfs_pwrite_cb, &nfsfh->fh, buf, offset, count, nfsfh->is_sync?FILE_SYNC:UNSTABLE, data) != 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_nfs_cb_data(data);
- return -1;
+
+ if (count <= nfs_get_writemax(nfs)) {
+ if (rpc_nfs_write_async(nfs->rpc, nfs_pwrite_cb, &nfsfh->fh, buf, offset, count, nfsfh->is_sync?FILE_SYNC:UNSTABLE, data) != 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_nfs_cb_data(data);
+ return -1;
+ }
+ return 0;
}
+
+ /* trying to write more than maximum server write size, we has to chop it up into smaller
+ * chunks.
+ * we send all writes in parallell so that performance is still good.
+ */
+ data->max_offset = offset;
+ data->start_offset = offset;
+
+ while (count > 0) {
+ uint64_t writecount = count;
+ struct nfs_mcb_data *mdata;
+
+ if (writecount > nfs_get_writemax(nfs)) {
+ writecount = nfs_get_writemax(nfs);
+ }
+
+ 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");
+ return -1;
+ }
+ memset(mdata, 0, sizeof(struct nfs_mcb_data));
+ mdata->data = data;
+ mdata->offset = offset;
+ mdata->count = writecount;
+
+ if (rpc_nfs_write_async(nfs->rpc, nfs_pwrite_mcb, &nfsfh->fh, &buf[offset - data->start_offset], offset, writecount, nfsfh->is_sync?FILE_SYNC:UNSTABLE, 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);
+ return -1;
+ }
+
+ count -= writecount;
+ offset += writecount;
+ data->num_calls++;
+ }
+
return 0;
}
/*
* Async write()
*/
-int nfs_write_async(struct nfs_context *nfs, struct nfsfh *nfsfh, size_t count, char *buf, nfs_cb cb, void *private_data)
+int nfs_write_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, char *buf, nfs_cb cb, void *private_data)
{
return nfs_pwrite_async(nfs, nfsfh, nfsfh->offset, count, buf, cb, private_data);
}
rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
return -1;
}
- bzero(data, sizeof(struct nfs_cb_data));
+ memset(data, 0, sizeof(struct nfs_cb_data));
data->nfs = nfs;
data->cb = cb;
data->private_data = private_data;
rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
return -1;
}
- bzero(data, sizeof(struct nfs_cb_data));
+ memset(data, 0, sizeof(struct nfs_cb_data));
data->nfs = nfs;
data->cb = cb;
data->private_data = private_data;
free_nfs_cb_data(data);
}
-int nfs_ftruncate_async(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t length, nfs_cb cb, void *private_data)
+int nfs_ftruncate_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t length, nfs_cb cb, void *private_data)
{
struct nfs_cb_data *data;
SETATTR3args args;
rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
return -1;
}
- bzero(data, sizeof(struct nfs_cb_data));
+ memset(data, 0, sizeof(struct nfs_cb_data));
data->nfs = nfs;
data->cb = cb;
data->private_data = private_data;
- bzero(&args, sizeof(SETATTR3args));
+ memset(&args, 0, sizeof(SETATTR3args));
args.object.data.data_len = nfsfh->fh.data.data_len;
args.object.data.data_val = nfsfh->fh.data.data_val;
args.new_attributes.size.set_it = 1;
*/
static int nfs_truncate_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
{
- off_t offset = data->continue_int;
+ uint64_t offset = data->continue_int;
struct nfsfh nfsfh;
nfsfh.fh.data.data_val = data->fh.data.data_val;
return 0;
}
-int nfs_truncate_async(struct nfs_context *nfs, const char *path, off_t length, nfs_cb cb, void *private_data)
+int nfs_truncate_async(struct nfs_context *nfs, const char *path, uint64_t length, nfs_cb cb, void *private_data)
{
- off_t offset;
+ uint64_t offset;
offset = length;
static int nfs_mkdir_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
{
char *str = data->continue_data;
-
+ MKDIR3args args;
+
str = &str[strlen(str) + 1];
- if (rpc_nfs_mkdir_async(nfs->rpc, nfs_mkdir_cb, &data->fh, str, data) != 0) {
+ memset(&args, 0, sizeof(MKDIR3args));
+ args.where.dir.data.data_len = data->fh.data.data_len;
+ args.where.dir.data.data_val = data->fh.data.data_val;
+ args.where.name = str;
+ args.attributes.mode.set_it = 1;
+ args.attributes.mode.set_mode3_u.mode = 0755;
+
+ if (rpc_nfs_mkdir_async(nfs->rpc, nfs_mkdir_cb, &args, data) != 0) {
rpc_set_error(nfs->rpc, "RPC error: Failed to send MKDIR call for %s", data->path);
data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
free_nfs_cb_data(data);
return -1;
}
- ptr = rindex(new_path, '/');
+ ptr = strrchr(new_path, '/');
if (ptr == NULL) {
rpc_set_error(nfs->rpc, "Invalid path %s", path);
return -1;
return -1;
}
- ptr = rindex(new_path, '/');
+ ptr = strrchr(new_path, '/');
if (ptr == NULL) {
rpc_set_error(nfs->rpc, "Invalid path %s", path);
return -1;
free_nfs_cb_data(data);
return;
}
- bzero(nfsfh, sizeof(struct nfsfh));
+ memset(nfsfh, 0, sizeof(struct nfsfh));
/* steal the filehandle */
nfsfh->fh.data.data_len = data->fh.data.data_len;
static int nfs_creat_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
{
char *str = data->continue_data;
-
+ CREATE3args args;
+
str = &str[strlen(str) + 1];
- if (rpc_nfs_create_async(nfs->rpc, nfs_creat_1_cb, &data->fh, str, data->continue_int, data) != 0) {
+
+ memset(&args, 0, sizeof(CREATE3args));
+ args.where.dir.data.data_len = data->fh.data.data_len;
+ args.where.dir.data.data_val = data->fh.data.data_val;
+ args.where.name = str;
+ args.how.mode = UNCHECKED;
+ args.how.createhow3_u.obj_attributes.mode.set_it = 1;
+ args.how.createhow3_u.obj_attributes.mode.set_mode3_u.mode = data->continue_int;
+
+ if (rpc_nfs_create_async(nfs->rpc, nfs_creat_1_cb, &args, data) != 0) {
rpc_set_error(nfs->rpc, "RPC error: Failed to send CREATE call for %s/%s", data->path, str);
data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
free_nfs_cb_data(data);
return -1;
}
- ptr = rindex(new_path, '/');
+ ptr = strrchr(new_path, '/');
if (ptr == NULL) {
rpc_set_error(nfs->rpc, "Invalid path %s", path);
return -1;
return -1;
}
- ptr = rindex(new_path, '/');
+ ptr = strrchr(new_path, '/');
if (ptr == NULL) {
rpc_set_error(nfs->rpc, "Invalid path %s", path);
return -1;
}
+/*
+ * 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 _U_, 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;
+
+ 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;
+
+ str = &str[strlen(str) + 1];
+
+ if (rpc_nfs_mknod_async(nfs->rpc, nfs_mknod_cb, &data->fh, str, cb_data->mode, cb_data->major, cb_data->minor, 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()
*/
-static void nfs_opendir_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
+
+/* 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 _U_, 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;
+
+ 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 _U_, int status, void *command_data, void *private_data)
{
- READDIR3res *res;
+ READDIR3res *res = command_data;
struct nfs_cb_data *data = private_data;
struct nfs_context *nfs = data->nfs;
- struct nfsdir *nfsdir = data->continue_data;;
+ struct nfsdir *nfsdir = data->continue_data;
+ struct nfsdirent *nfsdirent;
struct entry3 *entry;
uint64_t cookie;
+ struct rdpe_cb_data *rdpe_cb_data;
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);
nfs_free_nfsdir(nfsdir);
return;
}
- res = command_data;
if (res->status != NFS3_OK) {
rpc_set_error(nfs->rpc, "NFS: READDIR 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);
entry =res->READDIR3res_u.resok.reply.entries;
while (entry != NULL) {
- struct nfsdirent *nfsdirent;
-
nfsdirent = malloc(sizeof(struct nfsdirent));
if (nfsdirent == NULL) {
data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data);
free_nfs_cb_data(data);
return;
}
- bzero(nfsdirent, sizeof(struct nfsdirent));
+ memset(nfsdirent, 0, sizeof(struct nfsdirent));
nfsdirent->name = strdup(entry->name);
if (nfsdirent->name == NULL) {
data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data);
return;
}
nfsdirent->inode = entry->fileid;
+
nfsdirent->next = nfsdir->entries;
nfsdir->entries = nfsdirent;
}
if (res->READDIR3res_u.resok.reply.eof == 0) {
- if (rpc_nfs_readdir_async(nfs->rpc, nfs_opendir_cb, &data->fh, cookie, res->READDIR3res_u.resok.cookieverf, 20000, data) != 0) {
+ if (rpc_nfs_readdir_async(nfs->rpc, nfs_opendir2_cb, &data->fh, cookie, res->READDIR3res_u.resok.cookieverf, 8192, data) != 0) {
rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path);
data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
nfs_free_nfsdir(nfsdir);
return;
}
+ /* steal the dirhandle */
+ nfsdir->current = nfsdir->entries;
+
+ rdpe_cb_data = malloc(sizeof(struct rdpe_cb_data));
+ rdpe_cb_data->getattrcount = 0;
+ rdpe_cb_data->status = RPC_STATUS_SUCCESS;
+ rdpe_cb_data->data = data;
+ for (nfsdirent = nfsdir->entries; nfsdirent; nfsdirent = nfsdirent->next) {
+ struct rdpe_lookup_cb_data *rdpe_lookup_cb_data;
+
+ rdpe_lookup_cb_data = malloc(sizeof(struct rdpe_lookup_cb_data));
+ rdpe_lookup_cb_data->rdpe_cb_data = rdpe_cb_data;
+ rdpe_lookup_cb_data->nfsdirent = nfsdirent;
+
+ if (rpc_nfs_lookup_async(nfs->rpc, nfs_opendir3_cb, &data->fh, nfsdirent->name, rdpe_lookup_cb_data) != 0) {
+ rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR LOOKUP call");
+
+ /* if we have already commands in flight, we cant just stop, we have to wait for the
+ * commands in flight to complete
+ */
+ if (rdpe_cb_data->getattrcount > 0) {
+ rdpe_cb_data->status = RPC_STATUS_ERROR;
+ free(rdpe_lookup_cb_data);
+ return;
+ }
+
+ data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
+ nfs_free_nfsdir(nfsdir);
+ data->continue_data = NULL;
+ free_nfs_cb_data(data);
+ free(rdpe_lookup_cb_data);
+ free(rdpe_cb_data);
+ return;
+ }
+ rdpe_cb_data->getattrcount++;
+ }
+}
+
+
+static void nfs_opendir_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
+{
+ READDIRPLUS3res *res = command_data;
+ struct nfs_cb_data *data = private_data;
+ struct nfs_context *nfs = data->nfs;
+ struct nfsdir *nfsdir = data->continue_data;
+ struct entryplus3 *entry;
+ uint64_t cookie;
+
+
+ if (status == RPC_STATUS_ERROR || (status == RPC_STATUS_SUCCESS && res->status == NFS3ERR_NOTSUPP) ){
+ cookieverf3 cv;
+
+ if (rpc_nfs_readdir_async(nfs->rpc, nfs_opendir2_cb, &data->fh, 0, (char *)&cv, 8192, data) != 0) {
+ rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path);
+ data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
+ nfs_free_nfsdir(nfsdir);
+ data->continue_data = NULL;
+ free_nfs_cb_data(data);
+ return;
+ }
+ return;
+ }
+
+ if (status == RPC_STATUS_CANCEL) {
+ data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
+ nfs_free_nfsdir(nfsdir);
+ data->continue_data = NULL;
+ free_nfs_cb_data(data);
+ return;
+ }
+
+ if (res->status != NFS3_OK) {
+ rpc_set_error(nfs->rpc, "NFS: READDIRPLUS 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);
+ nfs_free_nfsdir(nfsdir);
+ data->continue_data = NULL;
+ free_nfs_cb_data(data);
+ return;
+ }
+
+ entry =res->READDIRPLUS3res_u.resok.reply.entries;
+ while (entry != NULL) {
+ struct nfsdirent *nfsdirent;
+
+ nfsdirent = malloc(sizeof(struct nfsdirent));
+ if (nfsdirent == NULL) {
+ data->cb(-ENOMEM, nfs, "Failed to allocate dirent", data->private_data);
+ nfs_free_nfsdir(nfsdir);
+ data->continue_data = NULL;
+ free_nfs_cb_data(data);
+ return;
+ }
+ memset(nfsdirent, 0, sizeof(struct nfsdirent));
+ nfsdirent->name = strdup(entry->name);
+ if (nfsdirent->name == NULL) {
+ data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data);
+ nfs_free_nfsdir(nfsdir);
+ data->continue_data = NULL;
+ free_nfs_cb_data(data);
+ return;
+ }
+ nfsdirent->inode = entry->fileid;
+ if (entry->name_attributes.attributes_follow) {
+ nfsdirent->type = entry->name_attributes.post_op_attr_u.attributes.type;
+ nfsdirent->mode = entry->name_attributes.post_op_attr_u.attributes.mode;
+ nfsdirent->size = entry->name_attributes.post_op_attr_u.attributes.size;
+
+ nfsdirent->atime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.atime.seconds;
+ nfsdirent->atime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.atime.nseconds/1000;
+ nfsdirent->mtime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.mtime.seconds;
+ nfsdirent->mtime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.mtime.nseconds/1000;
+ nfsdirent->ctime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.ctime.seconds;
+ nfsdirent->ctime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.ctime.nseconds/1000;
+ }
+
+ nfsdirent->next = nfsdir->entries;
+ nfsdir->entries = nfsdirent;
+
+ cookie = entry->cookie;
+ entry = entry->nextentry;
+ }
+
+ if (res->READDIRPLUS3res_u.resok.reply.eof == 0) {
+ if (rpc_nfs_readdirplus_async(nfs->rpc, nfs_opendir_cb, &data->fh, cookie, res->READDIRPLUS3res_u.resok.cookieverf, 8192, data) != 0) {
+ rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path);
+ data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
+ nfs_free_nfsdir(nfsdir);
+ data->continue_data = NULL;
+ free_nfs_cb_data(data);
+ return;
+ }
+ return;
+ }
+
/* steal the dirhandle */
data->continue_data = NULL;
nfsdir->current = nfsdir->entries;
{
cookieverf3 cv;
- bzero(cv, sizeof(cookieverf3));
- if (rpc_nfs_readdir_async(nfs->rpc, nfs_opendir_cb, &data->fh, 0, (char *)&cv, 20000, data) != 0) {
- rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path);
+ memset(cv, 0, sizeof(cookieverf3));
+ if (rpc_nfs_readdirplus_async(nfs->rpc, nfs_opendir_cb, &data->fh, 0, (char *)&cv, 8192, data) != 0) {
+ rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path);
data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
free_nfs_cb_data(data);
return -1;
rpc_set_error(nfs->rpc, "failed to allocate buffer for nfsdir");
return -1;
}
- bzero(nfsdir, sizeof(struct nfsdir));
+ memset(nfsdir, 0, sizeof(struct nfsdir));
if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_opendir_continue_internal, nfsdir, free, 0) != 0) {
rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
struct lseek_cb_data {
struct nfs_context *nfs;
struct nfsfh *nfsfh;
- off_t offset;
+ uint64_t offset;
nfs_cb cb;
void *private_data;
};
free(data);
}
-int nfs_lseek_async(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, int whence, nfs_cb cb, void *private_data)
+int nfs_lseek_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, int whence, nfs_cb cb, void *private_data)
{
struct lseek_cb_data *data;
static int nfs_readlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
{
- if (rpc_nfs_readlink_async(nfs->rpc, nfs_readlink_1_cb, &data->fh, data) != 0) {
+ READLINK3args args;
+
+ args.symlink.data.data_len = data->fh.data.data_len;
+ args.symlink.data.data_val = data->fh.data.data_val;
+
+ if (rpc_nfs_readlink_async(nfs->rpc, nfs_readlink_1_cb, &args, data) != 0) {
rpc_set_error(nfs->rpc, "RPC error: Failed to send READLINK call for %s", data->path);
data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
free_nfs_cb_data(data);
{
SETATTR3args args;
- bzero(&args, sizeof(SETATTR3args));
+ memset(&args, 0, sizeof(SETATTR3args));
args.object.data.data_len = data->fh.data.data_len;
args.object.data.data_val = data->fh.data.data_val;
args.new_attributes.mode.set_it = 1;
rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data");
return -1;
}
- bzero(data, sizeof(struct nfs_cb_data));
+ memset(data, 0, sizeof(struct nfs_cb_data));
data->nfs = nfs;
data->cb = cb;
data->private_data = private_data;
SETATTR3args args;
struct nfs_chown_data *chown_data = data->continue_data;
- bzero(&args, sizeof(SETATTR3args));
+ memset(&args, 0, sizeof(SETATTR3args));
args.object.data.data_len = data->fh.data.data_len;
args.object.data.data_val = data->fh.data.data_val;
if (chown_data->uid != (uid_t)-1) {
rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for fchown data");
return -1;
}
- bzero(data, sizeof(struct nfs_cb_data));
+ memset(data, 0, sizeof(struct nfs_cb_data));
data->nfs = nfs;
data->cb = cb;
data->private_data = private_data;
SETATTR3args args;
struct timeval *utimes_data = data->continue_data;
- bzero(&args, sizeof(SETATTR3args));
+ memset(&args, 0, sizeof(SETATTR3args));
args.object.data.data_len = data->fh.data.data_len;
args.object.data.data_val = data->fh.data.data_val;
if (utimes_data != NULL) {
static int nfs_symlink_continue_internal(struct nfs_context *nfs, struct nfs_cb_data *data)
{
struct nfs_symlink_data *symlink_data = data->continue_data;
+ SYMLINK3args sa;
+
+ memset(&sa, 0, sizeof(SYMLINK3args));
+ sa.where.dir.data.data_len = data->fh.data.data_len;
+ sa.where.dir.data.data_val = data->fh.data.data_val;
+ sa.where.name = symlink_data->newpathobject;
+ sa.symlink.symlink_attributes.mode.set_it = 1;
+ sa.symlink.symlink_attributes.mode.set_mode3_u.mode = S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IWGRP|S_IXGRP|S_IROTH|S_IWOTH|S_IXOTH;
+ sa.symlink.symlink_data = symlink_data->oldpath;
- if (rpc_nfs_symlink_async(nfs->rpc, nfs_symlink_cb, &data->fh, symlink_data->newpathobject, symlink_data->oldpath, data) != 0) {
+ if (rpc_nfs_symlink_async(nfs->rpc, nfs_symlink_cb, &sa, data) != 0) {
rpc_set_error(nfs->rpc, "RPC error: Failed to send SYMLINK call for %s", data->path);
data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
free_nfs_cb_data(data);
rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for symlink data");
return -1;
}
- bzero(symlink_data, sizeof(struct nfs_symlink_data));
+ memset(symlink_data, 0, sizeof(struct nfs_symlink_data));
symlink_data->oldpath = strdup(oldpath);
if (symlink_data->oldpath == NULL) {
return -1;
}
- ptr = rindex(symlink_data->newpathparent, '/');
+ ptr = strrchr(symlink_data->newpathparent, '/');
if (ptr == NULL) {
rpc_set_error(nfs->rpc, "Invalid path %s", oldpath);
free_nfs_symlink_data(symlink_data);
rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for rename data");
return -1;
}
- bzero(rename_data, sizeof(struct nfs_rename_data));
+ memset(rename_data, 0, sizeof(struct nfs_rename_data));
rename_data->oldpath = strdup(oldpath);
if (rename_data->oldpath == NULL) {
free_nfs_rename_data(rename_data);
return -1;
}
- ptr = rindex(rename_data->oldpath, '/');
+ ptr = strrchr(rename_data->oldpath, '/');
if (ptr == NULL) {
rpc_set_error(nfs->rpc, "Invalid path %s", oldpath);
free_nfs_rename_data(rename_data);
free_nfs_rename_data(rename_data);
return -1;
}
- ptr = rindex(rename_data->newpath, '/');
+ ptr = strrchr(rename_data->newpath, '/');
if (ptr == NULL) {
rpc_set_error(nfs->rpc, "Invalid path %s", newpath);
free_nfs_rename_data(rename_data);
rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for link data");
return -1;
}
- bzero(link_data, sizeof(struct nfs_link_data));
+ memset(link_data, 0, sizeof(struct nfs_link_data));
link_data->oldpath = strdup(oldpath);
if (link_data->oldpath == NULL) {
free_nfs_link_data(link_data);
return -1;
}
- ptr = rindex(link_data->newpath, '/');
+ ptr = strrchr(link_data->newpath, '/');
if (ptr == NULL) {
rpc_set_error(nfs->rpc, "Invalid path %s", newpath);
free_nfs_link_data(link_data);
//qqq replace later with lseek()
-off_t nfs_get_current_offset(struct nfsfh *nfsfh)
+uint64_t nfs_get_current_offset(struct nfsfh *nfsfh)
{
return nfsfh->offset;
}
/*
* Get the maximum supported READ3 size by the server
*/
-size_t nfs_get_readmax(struct nfs_context *nfs)
+uint64_t nfs_get_readmax(struct nfs_context *nfs)
{
return nfs->readmax;
}
/*
* Get the maximum supported WRITE3 size by the server
*/
-size_t nfs_get_writemax(struct nfs_context *nfs)
+uint64_t nfs_get_writemax(struct nfs_context *nfs)
{
- return nfs->writemax;
+ /* Some ZDR libraries can not marshall PDUs bigger than this */
+ if (nfs->writemax < 32768) {
+ return nfs->writemax;
+ }
+ return 32768;
}
void nfs_set_error(struct nfs_context *nfs, char *error_string, ...)
{
va_list ap;
- char *str;
+ char *str = NULL;
+ va_start(ap, error_string);
+ str = malloc(1024);
+ vsnprintf(str, 1024, error_string, ap);
if (nfs->rpc->error_string != NULL) {
free(nfs->rpc->error_string);
}
- va_start(ap, error_string);
- vasprintf(&str, error_string, ap);
nfs->rpc->error_string = str;
- va_end(ap);
+ va_end(ap);
}
{
struct mount_cb_data *data = private_data;
+ /* Dont want any more callbacks even if the socket is closed */
+ rpc->connect_cb = NULL;
+
if (status == RPC_STATUS_ERROR) {
data->cb(rpc, -EFAULT, command_data, data->private_data);
free_mount_cb_data(data);
return;
}
- if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, mount_export_3_cb, private_data) != 0) {
+ if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, IPPROTO_TCP, mount_export_3_cb, private_data) != 0) {
data->cb(rpc, -ENOMEM, command_data, data->private_data);
free_mount_cb_data(data);
return;
{
struct mount_cb_data *data = private_data;
+ /* Dont want any more callbacks even if the socket is closed */
+ rpc->connect_cb = NULL;
+
if (status == RPC_STATUS_ERROR) {
data->cb(rpc, -EFAULT, command_data, data->private_data);
free_mount_cb_data(data);
if (data == NULL) {
return -1;
}
- bzero(data, sizeof(struct mount_cb_data));
+ memset(data, 0, sizeof(struct mount_cb_data));
data->cb = cb;
data->private_data = private_data;
data->server = strdup(server);
return nfs->rpc;
}
+const char *nfs_get_server(struct nfs_context *nfs) {
+ return nfs->server;
+}
+
+const char *nfs_get_export(struct nfs_context *nfs) {
+ return nfs->export;
+}
+
+const struct nfs_fh3 *nfs_get_rootfh(struct nfs_context *nfs) {
+ return &nfs->rootfh;
+}
+
+struct nfs_fh3 *nfs_get_fh(struct nfsfh *nfsfh) {
+ return &nfsfh->fh;
+}