X-Git-Url: http://git.vrable.net/?a=blobdiff_plain;f=nfs3%2Fnfs3.c;h=9fccd00f2fe31b55121111555b1cf9cc784800a3;hb=3ec75fa45814e987f77224887350a9f736ed5b92;hp=cbf5650a13fba3ebc636d39a84a1c2999ad620e3;hpb=2246171d841d34e6368e340a6b76b7ee9d9a1084;p=bluesky.git

diff --git a/nfs3/nfs3.c b/nfs3/nfs3.c
index cbf5650..9fccd00 100644
--- a/nfs3/nfs3.c
+++ b/nfs3/nfs3.c
@@ -5,29 +5,138 @@
  */
 
 #include "nfs3_prot.h"
+#include "bluesky.h"
+
+extern BlueSkyFS *fs;
 
 static int null_int;
 static void *null_result = (void *)&null_int;
 
-void encode_fattr3(struct fattr3 *result, uint64_t inum)
+/* Check that a string is a valid file name.  We require that it be valid
+ * UTF-8, that it not be empty, and that it not contain embedded forward
+ * slashes.  Also checks that the length of the string is not more than the
+ * maximum allowed length.  This function does allow the names "." and "..".
+ * Returns TRUE if the string is allowed as a filename. */
+gboolean validate_filename(const char *filename)
+{
+    if (filename == NULL || filename[0] == '\0')
+        return FALSE;
+    if (strlen(filename) > 255)
+        return FALSE;
+    if (!g_utf8_validate(filename, -1, NULL))
+        return FALSE;
+    if (strchr(filename, '/') != NULL)
+        return FALSE;
+    return TRUE;
+}
+
+/* Look up a BlueSkyInode given an NFS filehandle.  Returns NULL if the
+ * filehandle is invalid. */
+BlueSkyInode *lookup_fh(nfs_fh3 *fh)
+{
+    BlueSkyInode *inode = NULL;
+    if (fh->data.data_len == 8) {
+        uint64_t inum = GUINT64_FROM_BE(*(uint64_t *)(fh->data.data_val));
+        inode = bluesky_get_inode(fs, inum);
+    }
+    return inode;
+}
+
+int64_t decode_nfstime3(nfstime3 *time)
+{
+    int64_t result = (int64_t)time->seconds * 1000000;
+    result += time->nseconds / 1000;
+    return result;
+}
+
+void set_attributes(BlueSkyInode *inode, sattr3 *attributes)
+{
+    int64_t now = bluesky_get_current_time();
+
+    if (attributes->mode.set) {
+        inode->mode = attributes->mode.set_uint32_u.val;
+    }
+
+    if (attributes->uid.set) {
+        inode->uid = attributes->uid.set_uint32_u.val;
+    }
+
+    if (attributes->gid.set) {
+        inode->gid = attributes->gid.set_uint32_u.val;
+    }
+
+    if (attributes->size.set) {
+        if (inode->type == BLUESKY_REGULAR) {
+            bluesky_file_truncate(inode, attributes->size.set_uint64_u.val);
+            inode->mtime = now;
+        }
+    }
+
+    switch (attributes->atime.set) {
+    case DONT_CHANGE:
+        break;
+    case SET_TO_SERVER_TIME:
+        inode->atime = now;
+        break;
+    case SET_TO_CLIENT_TIME:
+        inode->atime = decode_nfstime3(&attributes->atime.set_time_u.time);
+        break;
+    }
+
+    switch (attributes->mtime.set) {
+    case DONT_CHANGE:
+        break;
+    case SET_TO_SERVER_TIME:
+        inode->mtime = now;
+        break;
+    case SET_TO_CLIENT_TIME:
+        inode->mtime = decode_nfstime3(&attributes->mtime.set_time_u.time);
+        break;
+    }
+
+    inode->ctime = now;
+    inode->change_count++;
+}
+
+/* Copy inode attributes into NFS response.  The BlueSkyInode should be locked
+ * by the caller. */
+void encode_fattr3(struct fattr3 *result, BlueSkyInode *inode)
 {
-    result->type = NF3DIR;
-    result->mode = 0755;
-    result->nlink = 1;
-    result->uid = 0;
-    result->gid = 0;
-    result->size = 0;
+    result->type = inode->type;
+    result->mode = inode->mode;
+    result->nlink = inode->nlink;
+    result->uid = inode->uid;
+    result->gid = inode->gid;
+    result->size = inode->size;
     result->used = 0;
     result->rdev.major = 0;
     result->rdev.minor = 0;
     result->fsid = 0;
-    result->fileid = inum;
-    result->atime.seconds = 0;
-    result->atime.nseconds = 0;
-    result->mtime.seconds = 0;
-    result->mtime.nseconds = 0;
-    result->ctime.seconds = 0;
-    result->ctime.nseconds = 0;
+    result->fileid = inode->inum;
+    result->atime.seconds = inode->atime / 1000000;
+    result->atime.nseconds = (inode->atime % 1000000) * 1000;
+    result->mtime.seconds = inode->mtime / 1000000;
+    result->mtime.nseconds = (inode->mtime % 1000000) * 1000;
+    result->ctime.seconds = inode->ctime / 1000000;
+    result->ctime.nseconds = (inode->ctime % 1000000) * 1000;
+
+    switch (inode->type) {
+    case BLUESKY_SYMLINK:
+        result->size = strlen(inode->symlink_contents);
+        break;
+    default:
+        break;
+    }
+}
+
+void encode_pre_wcc(struct wcc_data *wcc, BlueSkyInode *inode)
+{
+    wcc->before.present = TRUE;
+    wcc->before.pre_op_attr_u.attributes.size = inode->size;
+    wcc->before.pre_op_attr_u.attributes.mtime.seconds = inode->mtime / 1000000;
+    wcc->before.pre_op_attr_u.attributes.mtime.nseconds = (inode->mtime % 1000000) * 1000;
+    wcc->before.pre_op_attr_u.attributes.ctime.seconds = inode->ctime / 1000000;
+    wcc->before.pre_op_attr_u.attributes.ctime.nseconds = (inode->ctime % 1000000) * 1000;
 }
 
 void *
@@ -41,8 +150,13 @@ nfsproc3_getattr_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
 {
     static getattr3res result;
 
-    result.status = NFS3_OK;
-    encode_fattr3(&result.getattr3res_u.attributes, 1);
+    BlueSkyInode *inode = lookup_fh(argp);
+    if (inode != NULL) {
+        result.status = NFS3_OK;
+        encode_fattr3(&result.getattr3res_u.attributes, inode);
+    } else {
+        result.status = NFS3ERR_STALE;
+    }
 
     return &result;
 }
@@ -52,7 +166,30 @@ nfsproc3_setattr_3_svc(setattr3args *argp, struct svc_req *rqstp)
 {
     static wccstat3 result;
 
-    result.status = NFS3ERR_NOTSUPP;
+    result.wccstat3_u.wcc.before.present = FALSE;
+    result.wccstat3_u.wcc.after.present = FALSE;
+    BlueSkyInode *inode = lookup_fh(&argp->object);
+    if (inode == NULL) {
+        result.status = NFS3ERR_STALE;
+        return &result;
+    }
+
+    encode_pre_wcc(&result.wccstat3_u.wcc, inode);
+    if (argp->guard.check) {
+        if (inode->ctime != decode_nfstime3(&argp->guard.sattrguard3_u.ctime)) {
+            result.status = NFS3ERR_NOT_SYNC;
+            result.wccstat3_u.wcc.after.present = TRUE;
+            encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes, inode);
+            return &result;
+        }
+    }
+
+    set_attributes(inode, &argp->new_attributes);
+
+    result.wccstat3_u.wcc.after.present = TRUE;
+    encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes,
+                  inode);
+    result.status = NFS3_OK;
 
     return &result;
 }
@@ -62,7 +199,45 @@ nfsproc3_lookup_3_svc(diropargs3 *argp, struct svc_req *rqstp)
 {
     static lookup3res result;
 
-    result.status = NFS3ERR_NOTSUPP;
+    BlueSkyInode *dir = lookup_fh(&argp->dir);
+    if (dir == NULL) {
+        result.status = NFS3ERR_STALE;
+        result.lookup3res_u.resfail.present = FALSE;
+        return &result;
+    }
+
+    result.lookup3res_u.resfail.present = TRUE;
+    encode_fattr3(&result.lookup3res_u.resfail.post_op_attr_u.attributes, dir);
+    if (!validate_filename(argp->name)) {
+        if (strlen(argp->name) > 255)
+            result.status = NFS3ERR_NAMETOOLONG;
+        else
+            result.status = NFS3ERR_NOENT;
+        return &result;
+    }
+
+    /* TODO: Special-case "." and "..". */
+    uint64_t inum = bluesky_directory_lookup(dir, argp->name);
+    if (inum == 0) {
+        result.status = NFS3ERR_NOENT;
+        return &result;
+    }
+    BlueSkyInode *inode = bluesky_get_inode(fs, inum);
+    if (inode == NULL) {
+        result.status = NFS3ERR_NOENT;
+        return &result;
+    }
+
+    result.status = NFS3_OK;
+    result.lookup3res_u.resok.dir_attributes.present = TRUE;
+    encode_fattr3(&result.lookup3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
+    result.lookup3res_u.resok.obj_attributes.present = TRUE;
+    encode_fattr3(&result.lookup3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
+
+    static uint64_t fh_bytes;
+    fh_bytes = GUINT64_TO_BE(inum);
+    result.lookup3res_u.resok.object.data.data_len = 8;
+    result.lookup3res_u.resok.object.data.data_val = (char *)&fh_bytes;
 
     return &result;
 }
@@ -72,7 +247,17 @@ nfsproc3_access_3_svc(access3args *argp, struct svc_req *rqstp)
 {
     static access3res result;
 
-    result.status = NFS3ERR_NOTSUPP;
+    BlueSkyInode *inode = lookup_fh(&argp->object);
+    if (inode == NULL) {
+        result.status = NFS3ERR_STALE;
+        result.access3res_u.resfail.present = FALSE;
+        return &result;
+    }
+
+    result.status = NFS3_OK;
+    result.access3res_u.resok.obj_attributes.present = TRUE;
+    encode_fattr3(&result.access3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
+    result.access3res_u.resok.access = argp->access;
 
     return &result;
 }
@@ -81,8 +266,23 @@ readlink3res *
 nfsproc3_readlink_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
 {
     static readlink3res result;
-
-    result.status = NFS3ERR_NOTSUPP;
+    memset(&result, 0, sizeof(result));
+
+    BlueSkyInode *inode = lookup_fh(argp);
+    if (inode != NULL) {
+        if (inode->type == BLUESKY_SYMLINK) {
+            result.status = NFS3_OK;
+            result.readlink3res_u.resok.symlink_attributes.present = TRUE;
+            encode_fattr3(&result.readlink3res_u.resok.symlink_attributes.post_op_attr_u.attributes, inode);
+            result.readlink3res_u.resok.data = inode->symlink_contents;
+        } else {
+            result.status = NFS3ERR_INVAL;
+            result.readlink3res_u.resfail.present = TRUE;
+            encode_fattr3(&result.readlink3res_u.resfail.post_op_attr_u.attributes, inode);
+        }
+    } else {
+        result.status = NFS3ERR_STALE;
+    }
 
     return &result;
 }
@@ -91,8 +291,35 @@ read3res *
 nfsproc3_read_3_svc(read3args *argp, struct svc_req *rqstp)
 {
     static read3res result;
+    static char buf[32768];
+
+    BlueSkyInode *inode = lookup_fh(&argp->file);
+    if (inode == NULL) {
+        result.status = NFS3ERR_STALE;
+        result.read3res_u.resfail.present = FALSE;
+        return &result;
+    }
+
+    int count = argp->count;
+    if (argp->offset >= inode->size) {
+        count = 0;
+        result.read3res_u.resok.eof = TRUE;
+    } else {
+        count = MIN(count, inode->size - argp->offset);
+        if (argp->offset + count == inode->size)
+            result.read3res_u.resok.eof = TRUE;
+        else
+            result.read3res_u.resok.eof = FALSE;
+
+        bluesky_file_read(inode, argp->offset, buf, count);
+    }
 
-    result.status = NFS3ERR_NOTSUPP;
+    result.status = NFS3_OK;
+    result.read3res_u.resok.file_attributes.present = TRUE;
+    encode_fattr3(&result.read3res_u.resok.file_attributes.post_op_attr_u.attributes, inode);
+    result.read3res_u.resok.count = count;
+    result.read3res_u.resok.data.data_val = buf;
+    result.read3res_u.resok.data.data_len = count;
 
     return &result;
 }
@@ -101,8 +328,40 @@ write3res *
 nfsproc3_write_3_svc(write3args *argp, struct svc_req *rqstp)
 {
     static write3res result;
-
-    result.status = NFS3ERR_NOTSUPP;
+    struct wcc_data wcc;
+    memset(&wcc, 0, sizeof(wcc));
+
+    BlueSkyInode *inode = lookup_fh(&argp->file);
+    if (inode == NULL) {
+        result.status = NFS3ERR_STALE;
+        result.write3res_u.resfail = wcc;
+        return &result;
+    }
+
+    encode_pre_wcc(&wcc, inode);
+    if (inode->type != BLUESKY_REGULAR) {
+        result.status = NFS3ERR_INVAL;
+        result.write3res_u.resfail = wcc;
+        return &result;
+    }
+
+    uint64_t lastbyte = argp->offset + argp->count;
+    if (lastbyte > inode->size) {
+        bluesky_file_truncate(inode, lastbyte);
+    }
+
+    if (argp->data.data_len < argp->count) {
+        /* ??? */
+    } else {
+        bluesky_file_write(inode, argp->offset,
+                           argp->data.data_val, argp->count);
+    }
+
+    wcc.after.present = TRUE;
+    encode_fattr3(&wcc.after.post_op_attr_u.attributes, inode);
+    result.write3res_u.resok.file_wcc = wcc;
+    result.write3res_u.resok.count = argp->count;
+    result.write3res_u.resok.committed = FILE_SYNC;
 
     return &result;
 }
@@ -111,8 +370,59 @@ diropres3 *
 nfsproc3_create_3_svc(create3args *argp, struct svc_req *rqstp)
 {
     static diropres3 result;
-
-    result.status = NFS3ERR_NOTSUPP;
+    struct wcc_data wcc;
+    memset(&wcc, 0, sizeof(wcc));
+
+    BlueSkyInode *dir = lookup_fh(&argp->where.dir);
+    if (dir == NULL) {
+        result.status = NFS3ERR_STALE;
+        result.diropres3_u.resfail = wcc;
+        return &result;
+    }
+
+    encode_pre_wcc(&wcc, dir);
+    if (dir->type != BLUESKY_DIRECTORY) {
+        result.status = NFS3ERR_NOTDIR;
+        result.diropres3_u.resfail = wcc;
+        return &result;
+    }
+
+    if (!validate_filename(argp->where.name)
+        || strcmp(argp->where.name, ".") == 0
+        || strcmp(argp->where.name, "..") == 0)
+    {
+        result.status = NFS3ERR_EXIST;
+        result.diropres3_u.resfail = wcc;
+        return &result;
+    }
+
+    BlueSkyInode *file;
+    file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_REGULAR);
+    file->nlink = 1;
+    file->mode = 0755;
+    int64_t time = bluesky_get_current_time();
+    printf("time: %"PRIi64"\n", time);
+    file->mtime = time;
+    file->ctime = time;
+    file->atime = time;
+    file->ntime = time;
+    bluesky_insert_inode(fs, file);
+    bluesky_directory_insert(dir, argp->where.name, file->inum);
+
+    dir->mtime = dir->ctime = bluesky_get_current_time();
+    dir->change_count++;
+
+    wcc.after.present = TRUE;
+    encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
+    result.diropres3_u.resok.obj_attributes.present = TRUE;
+    encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
+    result.diropres3_u.resok.dir_wcc = wcc;
+
+    static uint64_t fh_bytes;
+    fh_bytes = GUINT64_TO_BE(file->inum);
+    result.diropres3_u.resok.obj.present = TRUE;
+    result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
+    result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
 
     return &result;
 }
@@ -121,8 +431,59 @@ diropres3 *
 nfsproc3_mkdir_3_svc(mkdir3args *argp, struct svc_req *rqstp)
 {
     static diropres3 result;
-
-    result.status = NFS3ERR_NOTSUPP;
+    struct wcc_data wcc;
+    memset(&wcc, 0, sizeof(wcc));
+
+    BlueSkyInode *dir = lookup_fh(&argp->where.dir);
+    if (dir == NULL) {
+        result.status = NFS3ERR_STALE;
+        result.diropres3_u.resfail = wcc;
+        return &result;
+    }
+
+    encode_pre_wcc(&wcc, dir);
+    if (dir->type != BLUESKY_DIRECTORY) {
+        result.status = NFS3ERR_NOTDIR;
+        result.diropres3_u.resfail = wcc;
+        return &result;
+    }
+
+    if (!validate_filename(argp->where.name)
+        || strcmp(argp->where.name, ".") == 0
+        || strcmp(argp->where.name, "..") == 0)
+    {
+        result.status = NFS3ERR_EXIST;
+        result.diropres3_u.resfail = wcc;
+        return &result;
+    }
+
+    BlueSkyInode *file;
+    file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_DIRECTORY);
+    file->nlink = 1;
+    file->mode = 0755;
+    int64_t time = bluesky_get_current_time();
+    file->mtime = time;
+    file->ctime = time;
+    file->atime = time;
+    file->ntime = time;
+    bluesky_insert_inode(fs, file);
+    bluesky_directory_insert(dir, argp->where.name, file->inum);
+    set_attributes(file, &argp->attributes);
+
+    dir->mtime = dir->ctime = bluesky_get_current_time();
+    dir->change_count++;
+
+    wcc.after.present = TRUE;
+    encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
+    result.diropres3_u.resok.obj_attributes.present = TRUE;
+    encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
+    result.diropres3_u.resok.dir_wcc = wcc;
+
+    static uint64_t fh_bytes;
+    fh_bytes = GUINT64_TO_BE(file->inum);
+    result.diropres3_u.resok.obj.present = TRUE;
+    result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
+    result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
 
     return &result;
 }
@@ -131,8 +492,59 @@ diropres3 *
 nfsproc3_symlink_3_svc(symlink3args *argp, struct svc_req *rqstp)
 {
     static diropres3 result;
-
-    result.status = NFS3ERR_NOTSUPP;
+    struct wcc_data wcc;
+    memset(&wcc, 0, sizeof(wcc));
+
+    BlueSkyInode *dir = lookup_fh(&argp->where.dir);
+    if (dir == NULL) {
+        result.status = NFS3ERR_STALE;
+        result.diropres3_u.resfail = wcc;
+        return &result;
+    }
+
+    encode_pre_wcc(&wcc, dir);
+    if (dir->type != BLUESKY_DIRECTORY) {
+        result.status = NFS3ERR_NOTDIR;
+        result.diropres3_u.resfail = wcc;
+        return &result;
+    }
+
+    if (!validate_filename(argp->where.name)
+        || strcmp(argp->where.name, ".") == 0
+        || strcmp(argp->where.name, "..") == 0)
+    {
+        result.status = NFS3ERR_EXIST;
+        result.diropres3_u.resfail = wcc;
+        return &result;
+    }
+
+    BlueSkyInode *file;
+    file = bluesky_new_inode(bluesky_fs_alloc_inode(fs), fs, BLUESKY_SYMLINK);
+    file->nlink = 1;
+    file->mode = 0755;
+    int64_t time = bluesky_get_current_time();
+    file->mtime = time;
+    file->ctime = time;
+    file->atime = time;
+    file->ntime = time;
+    file->symlink_contents = g_strdup(argp->symlink.symlink_data);
+    bluesky_insert_inode(fs, file);
+    bluesky_directory_insert(dir, argp->where.name, file->inum);
+
+    dir->mtime = dir->ctime = bluesky_get_current_time();
+    dir->change_count++;
+
+    wcc.after.present = TRUE;
+    encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
+    result.diropres3_u.resok.obj_attributes.present = TRUE;
+    encode_fattr3(&result.diropres3_u.resok.obj_attributes.post_op_attr_u.attributes, file);
+    result.diropres3_u.resok.dir_wcc = wcc;
+
+    static uint64_t fh_bytes;
+    fh_bytes = GUINT64_TO_BE(file->inum);
+    result.diropres3_u.resok.obj.present = TRUE;
+    result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_len = 8;
+    result.diropres3_u.resok.obj.post_op_fh3_u.handle.data.data_val = (char *)&fh_bytes;
 
     return &result;
 }
@@ -152,7 +564,33 @@ nfsproc3_remove_3_svc(diropargs3 *argp, struct svc_req *rqstp)
 {
     static wccstat3 result;
 
-    result.status = NFS3ERR_NOTSUPP;
+    result.wccstat3_u.wcc.before.present = FALSE;
+    result.wccstat3_u.wcc.after.present = FALSE;
+
+    BlueSkyInode *dir = lookup_fh(&argp->dir);
+    if (dir == NULL) {
+        result.status = NFS3ERR_STALE;
+        return &result;
+    }
+
+    encode_pre_wcc(&result.wccstat3_u.wcc, dir);
+
+    if (!validate_filename(argp->name)
+        || strcmp(argp->name, ".") == 0
+        || strcmp(argp->name, "..") == 0)
+    {
+        result.status = NFS3ERR_NOENT;
+        return &result;
+    }
+
+    /* TODO: Decrement link count, deallocate inode if needed. */
+
+    bluesky_directory_remove(dir, argp->name);
+
+    result.status = NFS3_OK;
+    result.wccstat3_u.wcc.after.present = TRUE;
+    encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes,
+                  dir);
 
     return &result;
 }
@@ -162,7 +600,51 @@ nfsproc3_rmdir_3_svc(diropargs3 *argp, struct svc_req *rqstp)
 {
     static wccstat3 result;
 
-    result.status = NFS3ERR_NOTSUPP;
+    result.wccstat3_u.wcc.before.present = FALSE;
+    result.wccstat3_u.wcc.after.present = FALSE;
+
+    BlueSkyInode *dir = lookup_fh(&argp->dir);
+    if (dir == NULL) {
+        result.status = NFS3ERR_STALE;
+        return &result;
+    }
+
+    encode_pre_wcc(&result.wccstat3_u.wcc, dir);
+
+    if (!validate_filename(argp->name)
+        || strcmp(argp->name, ".") == 0
+        || strcmp(argp->name, "..") == 0)
+    {
+        result.status = NFS3ERR_NOENT;
+        return &result;
+    }
+
+    uint64_t inum = bluesky_directory_lookup(dir, argp->name);
+    BlueSkyInode *inode = bluesky_get_inode(fs, inum);
+    if (inode == NULL) {
+        result.status = NFS3ERR_NOENT;
+        return &result;
+    }
+
+    if (inode->type != BLUESKY_DIRECTORY) {
+        result.status = NFS3ERR_NOTDIR;
+        return &result;
+    }
+    if (g_sequence_get_length(inode->dirents) > 0) {
+        printf("Directory not empty: %d entries\n",
+               g_sequence_get_length(inode->dirents));
+        result.status = NFS3ERR_NOTEMPTY;
+        return &result;
+    }
+
+    /* TODO: Decrement link count, deallocate inode if needed. */
+
+    bluesky_directory_remove(dir, argp->name);
+
+    result.status = NFS3_OK;
+    result.wccstat3_u.wcc.after.present = TRUE;
+    encode_fattr3(&result.wccstat3_u.wcc.after.post_op_attr_u.attributes,
+                  dir);
 
     return &result;
 }
@@ -171,8 +653,37 @@ rename3res *
 nfsproc3_rename_3_svc(rename3args *argp, struct svc_req *rqstp)
 {
     static rename3res result;
-
-    result.status = NFS3ERR_NOTSUPP;
+    wcc_data *wcc1 = &result.rename3res_u.res.fromdir_wcc;
+    wcc_data *wcc2 = &result.rename3res_u.res.todir_wcc;
+    memset(wcc1, 0, sizeof(*wcc1));
+    memset(wcc2, 0, sizeof(*wcc2));
+
+    BlueSkyInode *dir1 = lookup_fh(&argp->from.dir);
+    if (dir1 == NULL) {
+        result.status = NFS3ERR_STALE;
+        return &result;
+    }
+    encode_pre_wcc(wcc1, dir1);
+
+    BlueSkyInode *dir2 = lookup_fh(&argp->to.dir);
+    if (dir2 == NULL) {
+        result.status = NFS3ERR_STALE;
+        return &result;
+    }
+    encode_pre_wcc(wcc2, dir1);
+
+    gboolean status = bluesky_rename(dir1, argp->from.name,
+                                     dir2, argp->to.name,
+                                     TRUE, TRUE);
+
+    wcc1->after.present = TRUE;
+    encode_fattr3(&wcc1->after.post_op_attr_u.attributes, dir1);
+    wcc2->after.present = TRUE;
+    encode_fattr3(&wcc2->after.post_op_attr_u.attributes, dir2);
+    if (status)
+        result.status = NFS3_OK;
+    else
+        result.status = NFS3ERR_PERM;
 
     return &result;
 }
@@ -181,18 +692,104 @@ link3res *
 nfsproc3_link_3_svc(link3args *argp, struct svc_req *rqstp)
 {
     static link3res result;
+    struct wcc_data wcc;
+    memset(&wcc, 0, sizeof(wcc));
+
+    BlueSkyInode *inode = lookup_fh(&argp->file);
+    if (inode == NULL) {
+        result.status = NFS3ERR_STALE;
+        result.link3res_u.res.linkdir_wcc = wcc;
+        return &result;
+    }
+
+    BlueSkyInode *dir = lookup_fh(&argp->link.dir);
+    if (dir == NULL) {
+        result.status = NFS3ERR_STALE;
+        result.link3res_u.res.linkdir_wcc = wcc;
+        return &result;
+    }
+
+    encode_pre_wcc(&wcc, dir);
+    if (dir->type != BLUESKY_DIRECTORY) {
+        result.status = NFS3ERR_NOTDIR;
+        result.link3res_u.res.linkdir_wcc = wcc;
+        return &result;
+    }
+
+    if (!validate_filename(argp->link.name)
+        || strcmp(argp->link.name, ".") == 0
+        || strcmp(argp->link.name, "..") == 0
+        || bluesky_directory_lookup(dir, argp->link.name) != 0)
+    {
+        result.status = NFS3ERR_EXIST;
+        result.link3res_u.res.linkdir_wcc = wcc;
+        return &result;
+    }
+
+    if (!bluesky_directory_insert(dir, argp->link.name, inode->inum)) {
+        result.status = NFS3ERR_EXIST;
+        result.link3res_u.res.linkdir_wcc = wcc;
+        return &result;
+    }
+    inode->nlink++;
+    bluesky_inode_update_ctime(inode, 0);
 
-    result.status = NFS3ERR_NOTSUPP;
+    result.status = NFS3_OK;
+    wcc.after.present = TRUE;
+    encode_fattr3(&wcc.after.post_op_attr_u.attributes, dir);
+    result.link3res_u.res.file_attributes.present = TRUE;
+    encode_fattr3(&result.link3res_u.res.file_attributes.post_op_attr_u.attributes, inode);
+    result.link3res_u.res.linkdir_wcc = wcc;
 
     return &result;
 }
 
+gint bluesky_dirent_compare(gconstpointer a, gconstpointer b,
+                            gpointer unused);
+
+#define MAX_READDIR_DIRENTS 64
 readdir3res *
 nfsproc3_readdir_3_svc(readdir3args *argp, struct svc_req *rqstp)
 {
     static readdir3res result;
 
-    result.status = NFS3ERR_NOTSUPP;
+    BlueSkyInode *dir = lookup_fh(&argp->dir);
+    if (dir == NULL) {
+        result.status = NFS3ERR_STALE;
+        result.readdir3res_u.resfail.present = FALSE;
+        return &result;
+    }
+
+    result.status = NFS3_OK;
+    result.readdir3res_u.resok.dir_attributes.present = TRUE;
+    encode_fattr3(&result.readdir3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
+    memset(result.readdir3res_u.resok.cookieverf, 0,
+           sizeof(result.readdir3res_u.resok.cookieverf));
+
+    static entry3 dirents[MAX_READDIR_DIRENTS];
+    int count = 0;
+
+    BlueSkyDirent start = {NULL, NULL, argp->cookie, 0};
+    GSequenceIter *i = g_sequence_search(dir->dirents, &start,
+                                         bluesky_dirent_compare, NULL);
+
+    while (count < MAX_READDIR_DIRENTS && !g_sequence_iter_is_end(i)) {
+        BlueSkyDirent *d = g_sequence_get(i);
+        dirents[count].fileid = d->inum;
+        dirents[count].name = d->name;
+        dirents[count].cookie = d->cookie;
+        dirents[count].nextentry = NULL;
+        if (count > 0)
+            dirents[count - 1].nextentry = &dirents[count];
+        i = g_sequence_iter_next(i);
+        count++;
+    }
+
+    if (count > 0)
+        result.readdir3res_u.resok.reply.entries = &dirents[0];
+    else
+        result.readdir3res_u.resok.reply.entries = NULL;
+    result.readdir3res_u.resok.reply.eof = g_sequence_iter_is_end(i);
 
     return &result;
 }
@@ -200,9 +797,70 @@ nfsproc3_readdir_3_svc(readdir3args *argp, struct svc_req *rqstp)
 readdirplus3res *
 nfsproc3_readdirplus_3_svc(readdirplus3args *argp, struct svc_req *rqstp)
 {
+    /* XDR-encoded sizes:
+     *   post_op_attr: 88 bytes
+     *   base readdirplus3resok: 88 + 16 bytes
+     *   base directory entry: 24 bytes + filename
+     *   attributes/fh3: 88 + 8 + filehandle size
+     */
+    size_t dircount = 88 + 16, attrcount = 0;
     static readdirplus3res result;
 
-    result.status = NFS3ERR_NOTSUPP;
+    BlueSkyInode *dir = lookup_fh(&argp->dir);
+    if (dir == NULL) {
+        result.status = NFS3ERR_STALE;
+        result.readdirplus3res_u.resfail.present = FALSE;
+        return &result;
+    }
+
+    result.status = NFS3_OK;
+    result.readdirplus3res_u.resok.dir_attributes.present = TRUE;
+    encode_fattr3(&result.readdirplus3res_u.resok.dir_attributes.post_op_attr_u.attributes, dir);
+    memset(result.readdirplus3res_u.resok.cookieverf, 0,
+           sizeof(result.readdirplus3res_u.resok.cookieverf));
+
+    static entryplus3 dirents[MAX_READDIR_DIRENTS];
+    static uint64_t fh_bytes[MAX_READDIR_DIRENTS];
+    int count = 0;
+
+    /* TODO: Handle dircount, maxcount arguments from client. */
+
+    BlueSkyDirent start = {NULL, NULL, argp->cookie, 0};
+    GSequenceIter *i = g_sequence_search(dir->dirents, &start,
+                                         bluesky_dirent_compare, NULL);
+
+    while (count < MAX_READDIR_DIRENTS && !g_sequence_iter_is_end(i)) {
+        BlueSkyDirent *d = g_sequence_get(i);
+        BlueSkyInode *inode = bluesky_get_inode(fs, d->inum);
+        if (inode != NULL) {
+            dircount += 24 + ((strlen(d->name) + 3) & ~3);
+            attrcount += 88 + 8 + 8;
+            if (dircount > argp->dircount
+                || dircount + attrcount > argp->maxcount)
+                break;
+            dirents[count].fileid = d->inum;
+            dirents[count].name = d->name;
+            dirents[count].cookie = d->cookie;
+            dirents[count].nextentry = NULL;
+            dirents[count].name_attributes.present = TRUE;
+            encode_fattr3(&dirents[count].name_attributes.post_op_attr_u.attributes, inode);
+            fh_bytes[count] = GUINT64_TO_BE(d->inum);
+            dirents[count].name_handle.present = TRUE;
+            dirents[count].name_handle.post_op_fh3_u.handle.data.data_len = 8;
+            dirents[count].name_handle.post_op_fh3_u.handle.data.data_val
+                = (char *)&fh_bytes[count];
+            if (count > 0)
+                dirents[count - 1].nextentry = &dirents[count];
+            count++;
+        }
+        i = g_sequence_iter_next(i);
+    }
+
+    if (count > 0)
+        result.readdirplus3res_u.resok.reply.entries = &dirents[0];
+    else
+        result.readdirplus3res_u.resok.reply.entries = NULL;
+    result.readdirplus3res_u.resok.reply.eof = g_sequence_iter_is_end(i);
 
     return &result;
 }
@@ -212,7 +870,24 @@ nfsproc3_fsstat_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
 {
     static fsstat3res result;
 
-    result.status = NFS3ERR_NOTSUPP;
+    BlueSkyInode *inode = lookup_fh(argp);
+    if (inode == NULL) {
+        result.status = NFS3ERR_STALE;
+        result.fsstat3res_u.resfail.present = FALSE;
+        return &result;
+    }
+
+    result.status = NFS3_OK;
+    result.fsstat3res_u.resok.obj_attributes.present = TRUE;
+    encode_fattr3(&result.fsstat3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
+
+    result.fsstat3res_u.resok.tbytes = (1 << 30);
+    result.fsstat3res_u.resok.fbytes = (1 << 30);
+    result.fsstat3res_u.resok.abytes = (1 << 30);
+    result.fsstat3res_u.resok.tfiles = 0;
+    result.fsstat3res_u.resok.ffiles = 0;
+    result.fsstat3res_u.resok.afiles = 0;
+    result.fsstat3res_u.resok.invarsec = 0;
 
     return &result;
 }
@@ -222,9 +897,10 @@ nfsproc3_fsinfo_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
 {
     static fsinfo3res result;
 
+    BlueSkyInode *inode = bluesky_get_inode(fs, 1);
     result.status = NFS3_OK;
     result.fsinfo3res_u.resok.obj_attributes.present = TRUE;
-    encode_fattr3(&result.fsinfo3res_u.resok.obj_attributes.post_op_attr_u.attributes, 1);
+    encode_fattr3(&result.fsinfo3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
     result.fsinfo3res_u.resok.rtmax = 32768;
     result.fsinfo3res_u.resok.rtpref = 32768;
     result.fsinfo3res_u.resok.rtmult = 4096;
@@ -246,9 +922,10 @@ nfsproc3_pathconf_3_svc(nfs_fh3 *argp, struct svc_req *rqstp)
 {
     static pathconf3res result;
 
+    BlueSkyInode *inode = bluesky_get_inode(fs, 1);
     result.status = NFS3_OK;
     result.pathconf3res_u.resok.obj_attributes.present = TRUE;
-    encode_fattr3(&result.pathconf3res_u.resok.obj_attributes.post_op_attr_u.attributes, 1);
+    encode_fattr3(&result.pathconf3res_u.resok.obj_attributes.post_op_attr_u.attributes, inode);
     result.pathconf3res_u.resok.linkmax = 0xffffffff;
     result.pathconf3res_u.resok.name_max = 255;
     result.pathconf3res_u.resok.no_trunc = TRUE;