#include #include #include "nfs-service.h" static void fill_example_rootdir_fsattr(struct fattr3 *attr) { struct timespec now; clock_gettime(CLOCK_REALTIME, &now); attr->type = NF3DIR; attr->mode = 0755; attr->nlink = 1; attr->uid = 0; attr->gid = 0; attr->size = 4096; attr->used = 4096; attr->rdev = (specdata3){ 0, 0 }; attr->fsid = 1; attr->fileid = 1; attr->atime.seconds = now.tv_sec; attr->atime.nseconds = now.tv_nsec; attr->mtime = attr->atime; attr->ctime = attr->atime; } static void fill_example_testfile_fsattr(struct fattr3 *attr) { struct timespec now; clock_gettime(CLOCK_REALTIME, &now); attr->type = NF3REG; attr->mode = 0644; attr->nlink = 1; attr->uid = 0; attr->gid = 0; attr->size = strlen("Hello, world!")+1; attr->used = strlen("Hello, world!")+1; attr->rdev = (specdata3){ 0, 0 }; attr->fsid = 1; attr->fileid = 2; attr->atime.seconds = now.tv_sec; attr->atime.nseconds = now.tv_nsec; attr->mtime = attr->atime; attr->ctime = attr->atime; } static int nfs3_null_proc(struct rpc_context *rpc, struct rpc_msg *call) { rpc_send_reply(rpc, call, NULL, (zdrproc_t)zdr_void, 0); return 0; } static int nfs3_getattr_proc(struct rpc_context *rpc, struct rpc_msg *call) { GETATTR3args *args = call->body.cbody.args; GETATTR3res reply; if (args->object.data.data_len != 10) { // Example error reply.status = NFS3ERR_PERM; } else { // Fill info reply.status = NFS3_OK; fill_example_rootdir_fsattr(&reply.GETATTR3res_u.resok.obj_attributes); } rpc_send_reply(rpc, call, &reply, (zdrproc_t)zdr_GETATTR3res, sizeof(GETATTR3res)); return 0; } static int nfs3_setattr_proc(struct rpc_context *rpc, struct rpc_msg *call) { SETATTR3args *args = call->body.cbody.args; SETATTR3res reply; // Not supported yet reply.status = NFS3ERR_NOTSUPP; rpc_send_reply(rpc, call, &reply, (zdrproc_t)zdr_SETATTR3res, sizeof(SETATTR3res)); return 0; } static int nfs3_lookup_proc(struct rpc_context *rpc, struct rpc_msg *call) { LOOKUP3args *args = call->body.cbody.args; LOOKUP3res reply; rpc_send_reply(rpc, call, &reply, (zdrproc_t)zdr_LOOKUP3res, sizeof(LOOKUP3res)); return 0; } static int nfs3_access_proc(struct rpc_context *rpc, struct rpc_msg *call) { ACCESS3args *args = call->body.cbody.args; ACCESS3res reply; rpc_send_reply(rpc, call, &reply, (zdrproc_t)zdr_ACCESS3res, sizeof(ACCESS3res)); return 0; } static int nfs3_readlink_proc(struct rpc_context *rpc, struct rpc_msg *call) { READLINK3args *args = call->body.cbody.args; READLINK3res reply; // Not supported yet reply.status = NFS3ERR_NOTSUPP; rpc_send_reply(rpc, call, &reply, (zdrproc_t)zdr_READLINK3res, sizeof(READLINK3res)); return 0; } static int nfs3_read_proc(struct rpc_context *rpc, struct rpc_msg *call) { READ3args *args = call->body.cbody.args; READ3res reply; rpc_send_reply(rpc, call, &reply, (zdrproc_t)zdr_READ3res, sizeof(READ3res)); return 0; } static int nfs3_write_proc(struct rpc_context *rpc, struct rpc_msg *call) { WRITE3args *args = call->body.cbody.args; WRITE3res reply; // Not supported yet reply.status = NFS3ERR_NOTSUPP; rpc_send_reply(rpc, call, &reply, (zdrproc_t)zdr_WRITE3res, sizeof(WRITE3res)); return 0; } static int nfs3_create_proc(struct rpc_context *rpc, struct rpc_msg *call) { CREATE3args *args = call->body.cbody.args; CREATE3res reply; // Not supported yet reply.status = NFS3ERR_NOTSUPP; rpc_send_reply(rpc, call, &reply, (zdrproc_t)zdr_CREATE3res, sizeof(CREATE3res)); return 0; } static int nfs3_mkdir_proc(struct rpc_context *rpc, struct rpc_msg *call) { MKDIR3args *args = call->body.cbody.args; MKDIR3res reply; // Not supported yet reply.status = NFS3ERR_NOTSUPP; rpc_send_reply(rpc, call, &reply, (zdrproc_t)zdr_MKDIR3res, sizeof(MKDIR3res)); return 0; } static int nfs3_symlink_proc(struct rpc_context *rpc, struct rpc_msg *call) { SYMLINK3args *args = call->body.cbody.args; SYMLINK3res reply; // Not supported yet reply.status = NFS3ERR_NOTSUPP; rpc_send_reply(rpc, call, &reply, (zdrproc_t)zdr_SYMLINK3res, sizeof(SYMLINK3res)); return 0; } static int nfs3_mknod_proc(struct rpc_context *rpc, struct rpc_msg *call) { MKNOD3args *args = call->body.cbody.args; MKNOD3res reply; rpc_send_reply(rpc, call, &reply, (zdrproc_t)zdr_MKNOD3res, sizeof(MKNOD3res)); return 0; } static int nfs3_remove_proc(struct rpc_context *rpc, struct rpc_msg *call) { REMOVE3args *args = call->body.cbody.args; REMOVE3res reply; rpc_send_reply(rpc, call, &reply, (zdrproc_t)zdr_REMOVE3res, sizeof(REMOVE3res)); return 0; } static int nfs3_rmdir_proc(struct rpc_context *rpc, struct rpc_msg *call) { RMDIR3args *args = call->body.cbody.args; RMDIR3res reply; rpc_send_reply(rpc, call, &reply, (zdrproc_t)zdr_RMDIR3res, sizeof(RMDIR3res)); return 0; } static int nfs3_rename_proc(struct rpc_context *rpc, struct rpc_msg *call) { RENAME3args *args = call->body.cbody.args; RENAME3res reply; rpc_send_reply(rpc, call, &reply, (zdrproc_t)zdr_RENAME3res, sizeof(RENAME3res)); return 0; } static int nfs3_link_proc(struct rpc_context *rpc, struct rpc_msg *call) { LINK3args *args = call->body.cbody.args; // We don't support hard links LINK3res reply = { NFS3ERR_NOTSUPP }; rpc_send_reply(rpc, call, &reply, (zdrproc_t)zdr_LINK3res, sizeof(LINK3res)); return 0; } static int nfs3_readdir_proc(struct rpc_context *rpc, struct rpc_msg *call) { READDIR3args *args = call->body.cbody.args; READDIR3res reply; // Example: return 1 entry struct entry3 entries[1] = { { .fileid = 2, .name = "testfile", .cookie = 0, .nextentry = NULL, } }; reply.status = NFS3_OK; reply.READDIR3res_u.resok.dir_attributes.attributes_follow = FALSE; *(uint64_t*)(reply.READDIR3res_u.resok.cookieverf) = 1; // continuation cookie reply.READDIR3res_u.resok.reply.entries = entries; reply.READDIR3res_u.resok.reply.eof = TRUE; rpc_send_reply(rpc, call, &reply, (zdrproc_t)zdr_READDIR3res, sizeof(READDIR3res)); return 0; } static int nfs3_readdirplus_proc(struct rpc_context *rpc, struct rpc_msg *call) { READDIRPLUS3args *args = call->body.cbody.args; READDIRPLUS3res reply; // Example: return 1 entry (but this time with attributes) struct entryplus3 entries[1] = { { .fileid = 2, .name = "testfile", .cookie = 0, .name_attributes = { .attributes_follow = TRUE, }, .name_handle = { .handle_follows = FALSE, }, .nextentry = NULL, } }; fill_example_testfile_fsattr(&entries[0].name_attributes.post_op_attr_u.attributes); reply.status = NFS3_OK; reply.READDIRPLUS3res_u.resok.dir_attributes.attributes_follow = FALSE; *(uint64_t*)(reply.READDIRPLUS3res_u.resok.cookieverf) = 1; // continuation cookie reply.READDIRPLUS3res_u.resok.reply.entries = entries; reply.READDIRPLUS3res_u.resok.reply.eof = TRUE; rpc_send_reply(rpc, call, &reply, (zdrproc_t)zdr_READDIRPLUS3res, sizeof(READDIRPLUS3res)); return 0; } // Get file system statistics static int nfs3_fsstat_proc(struct rpc_context *rpc, struct rpc_msg *call) { FSSTAT3args *args = call->body.cbody.args; FSSTAT3res reply; reply.status = NFS3_OK; reply.FSSTAT3res_u.resok.obj_attributes.attributes_follow = TRUE; fill_example_rootdir_fsattr(&reply.FSSTAT3res_u.resok.obj_attributes.post_op_attr_u.attributes); reply.FSSTAT3res_u.resok.tbytes = 4096; // total bytes reply.FSSTAT3res_u.resok.fbytes = 4096; // free bytes reply.FSSTAT3res_u.resok.abytes = 4096; // available bytes reply.FSSTAT3res_u.resok.tfiles = 1 << 31; // total files reply.FSSTAT3res_u.resok.ffiles = 1 << 31; // free files reply.FSSTAT3res_u.resok.afiles = 1 << 31; // available files reply.FSSTAT3res_u.resok.invarsec = 0; rpc_send_reply(rpc, call, &reply, (zdrproc_t)zdr_FSSTAT3res, sizeof(FSSTAT3res)); return 0; } static int nfs3_fsinfo_proc(struct rpc_context *rpc, struct rpc_msg *call) { FSINFO3args *args = call->body.cbody.args; FSINFO3res reply; if (args->fsroot.data.data_len != 10) { // Example error reply.status = NFS3ERR_INVAL; } else { // Fill info reply.status = NFS3_OK; reply.FSINFO3res_u.resok.obj_attributes.attributes_follow = TRUE; fill_example_rootdir_fsattr(&reply.FSINFO3res_u.resok.obj_attributes.post_op_attr_u.attributes); reply.FSINFO3res_u.resok.rtmax = 128*1024*1024; reply.FSINFO3res_u.resok.rtpref = 128*1024*1024; reply.FSINFO3res_u.resok.rtmult = 4096; reply.FSINFO3res_u.resok.wtmax = 128*1024*1024; reply.FSINFO3res_u.resok.wtpref = 128*1024*1024; reply.FSINFO3res_u.resok.wtmult = 4096; reply.FSINFO3res_u.resok.dtpref = 128; reply.FSINFO3res_u.resok.maxfilesize = 0x7fffffffffffffff; reply.FSINFO3res_u.resok.time_delta.seconds = 1; reply.FSINFO3res_u.resok.time_delta.nseconds = 0; reply.FSINFO3res_u.resok.properties = FSF3_SYMLINK | FSF3_HOMOGENEOUS; } rpc_send_reply(rpc, call, &reply, (zdrproc_t)zdr_FSINFO3res, sizeof(FSINFO3res)); return 0; } static int nfs3_pathconf_proc(struct rpc_context *rpc, struct rpc_msg *call) { PATHCONF3args *args = call->body.cbody.args; PATHCONF3res reply; if (args->object.data.data_len != 10) { // Example error reply.status = NFS3ERR_INVAL; } else { // Fill info reply.status = NFS3_OK; reply.PATHCONF3res_u.resok.obj_attributes.attributes_follow = FALSE; reply.PATHCONF3res_u.resok.linkmax = 0; reply.PATHCONF3res_u.resok.name_max = 255; reply.PATHCONF3res_u.resok.no_trunc = TRUE; reply.PATHCONF3res_u.resok.chown_restricted = FALSE; reply.PATHCONF3res_u.resok.case_insensitive = FALSE; reply.PATHCONF3res_u.resok.case_preserving = TRUE; } rpc_send_reply(rpc, call, &reply, (zdrproc_t)zdr_PATHCONF3res, sizeof(PATHCONF3res)); return 0; } static int nfs3_commit_proc(struct rpc_context *rpc, struct rpc_msg *call) { COMMIT3args *args = call->body.cbody.args; COMMIT3res reply = { 0 }; // Just pretend we did fsync :-) rpc_send_reply(rpc, call, &reply, (zdrproc_t)zdr_COMMIT3res, sizeof(COMMIT3res)); return 0; } static int mount3_mnt_proc(struct rpc_context *rpc, struct rpc_msg *call) { dirpath *arg = call->body.cbody.args; int flavor = AUTH_NONE; mountres3 reply; reply.fhs_status = MNT3_OK; reply.mountres3_u.mountinfo.fhandle.fhandle3_len = 10; reply.mountres3_u.mountinfo.fhandle.fhandle3_val = "roothandle"; reply.mountres3_u.mountinfo.auth_flavors.auth_flavors_len = 1; reply.mountres3_u.mountinfo.auth_flavors.auth_flavors_val = &flavor; rpc_send_reply(rpc, call, &reply, (zdrproc_t)zdr_mountres3, sizeof(mountres3)); return 0; } static int mount3_dump_proc(struct rpc_context *rpc, struct rpc_msg *call) { mountlist reply; reply = (struct mountbody*)malloc(sizeof(struct mountbody)); reply->ml_hostname = "10.0.2.15"; reply->ml_directory = "/test"; reply->ml_next = NULL; rpc_send_reply(rpc, call, NULL, (zdrproc_t)zdr_mountlist, sizeof(mountlist)); free(reply); return 0; } static int mount3_umnt_proc(struct rpc_context *rpc, struct rpc_msg *call) { dirpath *arg = call->body.cbody.args; // do nothing rpc_send_reply(rpc, call, NULL, (zdrproc_t)zdr_void, 0); return 0; } static int mount3_umntall_proc(struct rpc_context *rpc, struct rpc_msg *call) { // do nothing rpc_send_reply(rpc, call, NULL, (zdrproc_t)zdr_void, 0); return 0; } static int mount3_export_proc(struct rpc_context *rpc, struct rpc_msg *call) { exports reply; reply = (struct exportnode*)malloc(sizeof(struct exportnode) + sizeof(struct groupnode)); reply->ex_dir = "/test"; reply->ex_groups = (struct groupnode*)(reply+1); reply->ex_groups->gr_name = "10.0.2.15"; reply->ex_groups->gr_next = NULL; reply->ex_next = NULL; rpc_send_reply(rpc, call, &reply, (zdrproc_t)zdr_exports, sizeof(exports)); free(reply); return 0; } struct service_proc nfs3_pt[22] = { {NFS3_NULL, nfs3_null_proc, (zdrproc_t)zdr_void, 0}, {NFS3_GETATTR, nfs3_getattr_proc, (zdrproc_t)zdr_GETATTR3args, sizeof(GETATTR3args)}, {NFS3_SETATTR, nfs3_setattr_proc, (zdrproc_t)zdr_SETATTR3args, sizeof(SETATTR3args)}, {NFS3_LOOKUP, nfs3_lookup_proc, (zdrproc_t)zdr_LOOKUP3args, sizeof(LOOKUP3args)}, {NFS3_ACCESS, nfs3_access_proc, (zdrproc_t)zdr_ACCESS3args, sizeof(ACCESS3args)}, {NFS3_READLINK, nfs3_readlink_proc, (zdrproc_t)zdr_READLINK3args, sizeof(READLINK3args)}, {NFS3_READ, nfs3_read_proc, (zdrproc_t)zdr_READ3args, sizeof(READ3args)}, {NFS3_WRITE, nfs3_write_proc, (zdrproc_t)zdr_WRITE3args, sizeof(WRITE3args)}, {NFS3_CREATE, nfs3_create_proc, (zdrproc_t)zdr_CREATE3args, sizeof(CREATE3args)}, {NFS3_MKDIR, nfs3_mkdir_proc, (zdrproc_t)zdr_MKDIR3args, sizeof(MKDIR3args)}, {NFS3_SYMLINK, nfs3_symlink_proc, (zdrproc_t)zdr_SYMLINK3args, sizeof(SYMLINK3args)}, {NFS3_MKNOD, nfs3_mknod_proc, (zdrproc_t)zdr_MKNOD3args, sizeof(MKNOD3args)}, {NFS3_REMOVE, nfs3_remove_proc, (zdrproc_t)zdr_REMOVE3args, sizeof(REMOVE3args)}, {NFS3_RMDIR, nfs3_rmdir_proc, (zdrproc_t)zdr_RMDIR3args, sizeof(RMDIR3args)}, {NFS3_RENAME, nfs3_rename_proc, (zdrproc_t)zdr_RENAME3args, sizeof(RENAME3args)}, {NFS3_LINK, nfs3_link_proc, (zdrproc_t)zdr_LINK3args, sizeof(LINK3args)}, {NFS3_READDIR, nfs3_readdir_proc, (zdrproc_t)zdr_READDIR3args, sizeof(READDIR3args)}, {NFS3_READDIRPLUS, nfs3_readdirplus_proc, (zdrproc_t)zdr_READDIRPLUS3args, sizeof(READDIRPLUS3args)}, {NFS3_FSSTAT, nfs3_fsstat_proc, (zdrproc_t)zdr_FSSTAT3args, sizeof(FSSTAT3args)}, {NFS3_FSINFO, nfs3_fsinfo_proc, (zdrproc_t)zdr_FSINFO3args, sizeof(FSINFO3args)}, {NFS3_PATHCONF, nfs3_pathconf_proc, (zdrproc_t)zdr_PATHCONF3args, sizeof(PATHCONF3args)}, {NFS3_COMMIT, nfs3_commit_proc, (zdrproc_t)zdr_COMMIT3args, sizeof(COMMIT3args)}, }; struct service_proc nfs3_mount_pt[6] = { {MOUNT3_NULL, nfs3_null_proc, (zdrproc_t)zdr_void, 0}, {MOUNT3_MNT, mount3_mnt_proc, (zdrproc_t)zdr_dirpath, sizeof(dirpath)}, {MOUNT3_DUMP, mount3_dump_proc, (zdrproc_t)zdr_void, 0}, {MOUNT3_UMNT, mount3_umnt_proc, (zdrproc_t)zdr_dirpath, sizeof(dirpath)}, {MOUNT3_UMNTALL, mount3_umntall_proc, (zdrproc_t)zdr_void, 0}, {MOUNT3_EXPORT, mount3_export_proc, (zdrproc_t)zdr_void, 0}, };