diff options
Diffstat (limited to 'lib9p/9p.generated.c')
| -rw-r--r-- | lib9p/9p.generated.c | 2750 |
1 files changed, 1608 insertions, 1142 deletions
diff --git a/lib9p/9p.generated.c b/lib9p/9p.generated.c index 1188c73..98ec7bf 100644 --- a/lib9p/9p.generated.c +++ b/lib9p/9p.generated.c @@ -2838,1311 +2838,1777 @@ LM_FLATTEN static void unmarshal_Twstat(struct _unmarshal_ctx *ctx, struct lib9p /* marshal_* ******************************************************************/ -LM_ALWAYS_INLINE static bool _marshal_too_large(struct _marshal_ctx *ctx) { - lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s too large to marshal into %s limit (limit=%"PRIu32")", - (ctx->net_bytes[4] % 2 == 0) ? "T-message" : "R-message", - ctx->ctx->version ? "negotiated" : ((ctx->net_bytes[4] % 2 == 0) ? "client" : "server"), - ctx->ctx->max_msg_size); - return true; -} - -LM_ALWAYS_INLINE static bool marshal_1(struct _marshal_ctx *ctx, uint8_t *val) { - if (ctx->net_offset + 1 > ctx->ctx->max_msg_size) - return _marshal_too_large(ctx); - ctx->net_bytes[ctx->net_offset] = *val; - ctx->net_offset += 1; - return false; -} +#define MARSHAL_BYTES_ZEROCOPY(ctx, data, len) \ + if (ctx->net_iov[ctx->net_iov_cnt-1].iov_len) \ + ctx->net_iov_cnt++; \ + ctx->net_iov[ctx->net_iov_cnt-1].iov_base = data; \ + ctx->net_iov[ctx->net_iov_cnt-1].iov_len = len; \ + ctx->net_iov_cnt++; +#define MARSHAL_BYTES(ctx, data, len) \ + if (!ctx->net_iov[ctx->net_iov_cnt-1].iov_base) \ + ctx->net_iov[ctx->net_iov_cnt-1].iov_base = &ctx->net_copied[ctx->net_copied_size]; \ + memcpy(&ctx->net_copied[ctx->net_copied_size], data, len); \ + ctx->net_copied_size += len; \ + ctx->net_iov[ctx->net_iov_cnt-1].iov_len += len; +#define MARSHAL_U8LE(ctx, val) \ + if (!ctx->net_iov[ctx->net_iov_cnt-1].iov_base) \ + ctx->net_iov[ctx->net_iov_cnt-1].iov_base = &ctx->net_copied[ctx->net_copied_size]; \ + ctx->net_copied[ctx->net_copied_size] = val; \ + ctx->net_copied_size += 1; \ + ctx->net_iov[ctx->net_iov_cnt-1].iov_len += 1; +#define MARSHAL_U16LE(ctx, val) \ + if (!ctx->net_iov[ctx->net_iov_cnt-1].iov_base) \ + ctx->net_iov[ctx->net_iov_cnt-1].iov_base = &ctx->net_copied[ctx->net_copied_size]; \ + uint16le_encode(&ctx->net_copied[ctx->net_copied_size], val); \ + ctx->net_copied_size += 2; \ + ctx->net_iov[ctx->net_iov_cnt-1].iov_len += 2; +#define MARSHAL_U32LE(ctx, val) \ + if (!ctx->net_iov[ctx->net_iov_cnt-1].iov_base) \ + ctx->net_iov[ctx->net_iov_cnt-1].iov_base = &ctx->net_copied[ctx->net_copied_size]; \ + uint32le_encode(&ctx->net_copied[ctx->net_copied_size], val); \ + ctx->net_copied_size += 4; \ + ctx->net_iov[ctx->net_iov_cnt-1].iov_len += 4; +#define MARSHAL_U64LE(ctx, val) \ + if (!ctx->net_iov[ctx->net_iov_cnt-1].iov_base) \ + ctx->net_iov[ctx->net_iov_cnt-1].iov_base = &ctx->net_copied[ctx->net_copied_size]; \ + uint64le_encode(&ctx->net_copied[ctx->net_copied_size], val); \ + ctx->net_copied_size += 8; \ + ctx->net_iov[ctx->net_iov_cnt-1].iov_len += 8; -LM_ALWAYS_INLINE static bool marshal_2(struct _marshal_ctx *ctx, uint16_t *val) { - if (ctx->net_offset + 2 > ctx->ctx->max_msg_size) - return _marshal_too_large(ctx); - uint16le_encode(&ctx->net_bytes[ctx->net_offset], *val); - ctx->net_offset += 2; +#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u +static bool marshal_stat(struct _marshal_ctx *ctx, struct lib9p_stat *val) { + uint32_t needed_size = 49 + val->file_name.len + val->file_owner_uid.len + val->file_owner_gid.len + val->file_last_modified_uid.len; +#if CONFIG_9P_ENABLE_9P2000_u + if is_ver(ctx, 9P2000_u) { + needed_size += 14 + val->file_extension.len; + } +#endif /* CONFIG_9P_ENABLE_9P2000_u */ + if (needed_size > ctx->ctx->max_msg_size) { + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_kern_type = 2; + MARSHAL_U16LE(ctx, offsetof_end - offsetof_kern_type); + MARSHAL_U16LE(ctx, val->kern_type); + MARSHAL_U32LE(ctx, val->kern_dev); + MARSHAL_U8LE(ctx, val->file_qid.type & qt_masks[ctx->ctx->version]); + MARSHAL_U32LE(ctx, val->file_qid.vers); + MARSHAL_U64LE(ctx, val->file_qid.path); + MARSHAL_U32LE(ctx, val->file_mode & dm_masks[ctx->ctx->version]); + MARSHAL_U32LE(ctx, val->file_atime); + MARSHAL_U32LE(ctx, val->file_mtime); + MARSHAL_U64LE(ctx, val->file_size); + MARSHAL_U16LE(ctx, val->file_name.len); + MARSHAL_BYTES(ctx, val->file_name.utf8, val->file_name.len); + MARSHAL_U16LE(ctx, val->file_owner_uid.len); + MARSHAL_BYTES(ctx, val->file_owner_uid.utf8, val->file_owner_uid.len); + MARSHAL_U16LE(ctx, val->file_owner_gid.len); + MARSHAL_BYTES(ctx, val->file_owner_gid.utf8, val->file_owner_gid.len); + MARSHAL_U16LE(ctx, val->file_last_modified_uid.len); + MARSHAL_BYTES(ctx, val->file_last_modified_uid.utf8, val->file_last_modified_uid.len); +#if CONFIG_9P_ENABLE_9P2000_u + if (is_ver(ctx, 9P2000_u)) { + MARSHAL_U16LE(ctx, val->file_extension.len); + MARSHAL_BYTES(ctx, val->file_extension.utf8, val->file_extension.len); + } +#endif /* CONFIG_9P_ENABLE_9P2000_u */ +#if CONFIG_9P_ENABLE_9P2000_u + if (is_ver(ctx, 9P2000_u)) { + MARSHAL_U32LE(ctx, val->file_owner_n_uid); + } +#endif /* CONFIG_9P_ENABLE_9P2000_u */ +#if CONFIG_9P_ENABLE_9P2000_u + if (is_ver(ctx, 9P2000_u)) { + MARSHAL_U32LE(ctx, val->file_owner_n_gid); + } +#endif /* CONFIG_9P_ENABLE_9P2000_u */ +#if CONFIG_9P_ENABLE_9P2000_u + if (is_ver(ctx, 9P2000_u)) { + MARSHAL_U32LE(ctx, val->file_last_modified_n_uid); + } +#endif /* CONFIG_9P_ENABLE_9P2000_u */ return false; } -LM_ALWAYS_INLINE static bool marshal_4(struct _marshal_ctx *ctx, uint32_t *val) { - if (ctx->net_offset + 4 > ctx->ctx->max_msg_size) +#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */ +#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u +static bool marshal_Tversion(struct _marshal_ctx *ctx, struct lib9p_msg_Tversion *val) { + uint32_t needed_size = 13 + val->version.len; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Tversion", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); return true; - uint32le_encode(&ctx->net_bytes[ctx->net_offset], *val); - ctx->net_offset += 4; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 100); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->max_msg_size); + MARSHAL_U16LE(ctx, val->version.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->version.utf8, val->version.len); return false; } -LM_ALWAYS_INLINE static bool marshal_8(struct _marshal_ctx *ctx, uint64_t *val) { - if (ctx->net_offset + 8 > ctx->ctx->max_msg_size) +static bool marshal_Rversion(struct _marshal_ctx *ctx, struct lib9p_msg_Rversion *val) { + uint32_t needed_size = 13 + val->version.len; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rversion", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); return true; - uint64le_encode(&ctx->net_bytes[ctx->net_offset], *val); - ctx->net_offset += 8; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 101); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->max_msg_size); + MARSHAL_U16LE(ctx, val->version.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->version.utf8, val->version.len); return false; } -#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u -LM_ALWAYS_INLINE static bool marshal_tag(struct _marshal_ctx *ctx, lib9p_tag_t *val) { - return marshal_2(ctx, (uint16_t *)val); -} - -LM_ALWAYS_INLINE static bool marshal_fid(struct _marshal_ctx *ctx, lib9p_fid_t *val) { - return marshal_4(ctx, (uint32_t *)val); -} - -LM_ALWAYS_INLINE static bool marshal_s(struct _marshal_ctx *ctx, struct lib9p_s *val) { - return false - || marshal_2(ctx, &val->len) - || ({ bool err = false; - for (typeof(val->len) i = 0; i < val->len && !err; i++) - err = marshal_1(ctx, (uint8_t *)&val->utf8[i]); - err; }) - ; -} - -#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */ -#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u -LM_ALWAYS_INLINE static bool marshal_dm(struct _marshal_ctx *ctx, lib9p_dm_t *val) { - lib9p_dm_t masked_val = *val & dm_masks[ctx->ctx->version]; - return marshal_4(ctx, (uint32_t *)&masked_val); -} - -#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */ -#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u -LM_ALWAYS_INLINE static bool marshal_qt(struct _marshal_ctx *ctx, lib9p_qt_t *val) { - lib9p_qt_t masked_val = *val & qt_masks[ctx->ctx->version]; - return marshal_1(ctx, (uint8_t *)&masked_val); -} - -#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */ +static bool marshal_Tauth(struct _marshal_ctx *ctx, struct lib9p_msg_Tauth *val) { + uint32_t needed_size = 15 + val->uname.len + val->aname.len; #if CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_u -LM_ALWAYS_INLINE static bool marshal_nuid(struct _marshal_ctx *ctx, lib9p_nuid_t *val) { - return marshal_4(ctx, (uint32_t *)val); -} - + if ( is_ver(ctx, 9P2000_L) || is_ver(ctx, 9P2000_u) ) { + needed_size += 4; + } #endif /* CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_u */ -#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u -LM_ALWAYS_INLINE static bool marshal_o(struct _marshal_ctx *ctx, lib9p_o_t *val) { - lib9p_o_t masked_val = *val & o_masks[ctx->ctx->version]; - return marshal_1(ctx, (uint8_t *)&masked_val); -} - -#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */ -#if CONFIG_9P_ENABLE_9P2000_L -LM_ALWAYS_INLINE static bool marshal_getattr(struct _marshal_ctx *ctx, lib9p_getattr_t *val) { - lib9p_getattr_t masked_val = *val & getattr_masks[ctx->ctx->version]; - return marshal_8(ctx, (uint64_t *)&masked_val); -} - -LM_ALWAYS_INLINE static bool marshal_setattr(struct _marshal_ctx *ctx, lib9p_setattr_t *val) { - lib9p_setattr_t masked_val = *val & setattr_masks[ctx->ctx->version]; - return marshal_4(ctx, (uint32_t *)&masked_val); -} - -LM_ALWAYS_INLINE static bool marshal_lock_type(struct _marshal_ctx *ctx, lib9p_lock_type_t *val) { - return marshal_1(ctx, (uint8_t *)val); + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Tauth", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 102); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->afid); + MARSHAL_U16LE(ctx, val->uname.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->uname.utf8, val->uname.len); + MARSHAL_U16LE(ctx, val->aname.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->aname.utf8, val->aname.len); +#if CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_u + if (( is_ver(ctx, 9P2000_L) || is_ver(ctx, 9P2000_u) )) { + MARSHAL_U32LE(ctx, val->n_uid); + } +#endif /* CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_u */ + return false; } -LM_ALWAYS_INLINE static bool marshal_lock_flags(struct _marshal_ctx *ctx, lib9p_lock_flags_t *val) { - lib9p_lock_flags_t masked_val = *val & lock_flags_masks[ctx->ctx->version]; - return marshal_4(ctx, (uint32_t *)&masked_val); +static bool marshal_Rauth(struct _marshal_ctx *ctx, struct lib9p_msg_Rauth *val) { + uint32_t needed_size = 20; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rauth", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 103); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U8LE(ctx, val->aqid.type & qt_masks[ctx->ctx->version]); + MARSHAL_U32LE(ctx, val->aqid.vers); + MARSHAL_U64LE(ctx, val->aqid.path); + return false; } -LM_ALWAYS_INLINE static bool marshal_lock_status(struct _marshal_ctx *ctx, lib9p_lock_status_t *val) { - return marshal_1(ctx, (uint8_t *)val); +static bool marshal_Tattach(struct _marshal_ctx *ctx, struct lib9p_msg_Tattach *val) { + uint32_t needed_size = 19 + val->uname.len + val->aname.len; +#if CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_u + if ( is_ver(ctx, 9P2000_L) || is_ver(ctx, 9P2000_u) ) { + needed_size += 4; + } +#endif /* CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_u */ + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Tattach", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 104); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->fid); + MARSHAL_U32LE(ctx, val->afid); + MARSHAL_U16LE(ctx, val->uname.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->uname.utf8, val->uname.len); + MARSHAL_U16LE(ctx, val->aname.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->aname.utf8, val->aname.len); +#if CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_u + if (( is_ver(ctx, 9P2000_L) || is_ver(ctx, 9P2000_u) )) { + MARSHAL_U32LE(ctx, val->n_uid); + } +#endif /* CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_u */ + return false; } -#endif /* CONFIG_9P_ENABLE_9P2000_L */ -#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u -LM_FLATTEN static bool marshal_Tflush(struct _marshal_ctx *ctx, struct lib9p_msg_Tflush *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_2(ctx, &val->oldtag) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 108; false; }) - ; +static bool marshal_Rattach(struct _marshal_ctx *ctx, struct lib9p_msg_Rattach *val) { + uint32_t needed_size = 20; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rattach", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 105); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U8LE(ctx, val->qid.type & qt_masks[ctx->ctx->version]); + MARSHAL_U32LE(ctx, val->qid.vers); + MARSHAL_U64LE(ctx, val->qid.path); + return false; } -LM_FLATTEN static bool marshal_Rflush(struct _marshal_ctx *ctx, struct lib9p_msg_Rflush *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 109; false; }) - ; +static bool marshal_Rerror(struct _marshal_ctx *ctx, struct lib9p_msg_Rerror *val) { + uint32_t needed_size = 9 + val->ename.len; +#if CONFIG_9P_ENABLE_9P2000_u + if is_ver(ctx, 9P2000_u) { + needed_size += 4; + } +#endif /* CONFIG_9P_ENABLE_9P2000_u */ + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rerror", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 107); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U16LE(ctx, val->ename.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->ename.utf8, val->ename.len); +#if CONFIG_9P_ENABLE_9P2000_u + if (is_ver(ctx, 9P2000_u)) { + MARSHAL_U32LE(ctx, val->errno); + } +#endif /* CONFIG_9P_ENABLE_9P2000_u */ + return false; } -LM_FLATTEN static bool marshal_Rread(struct _marshal_ctx *ctx, struct lib9p_msg_Rread *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_4(ctx, &val->count) - || ({ bool err = false; - for (typeof(val->count) i = 0; i < val->count && !err; i++) - err = marshal_1(ctx, (uint8_t *)&val->data[i]); - err; }) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 117; false; }) - ; +static bool marshal_Tflush(struct _marshal_ctx *ctx, struct lib9p_msg_Tflush *val) { + uint32_t needed_size = 9; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Tflush", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 108); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U16LE(ctx, val->oldtag); + return false; } -LM_FLATTEN static bool marshal_Rwrite(struct _marshal_ctx *ctx, struct lib9p_msg_Rwrite *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_4(ctx, &val->count) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 119; false; }) - ; +static bool marshal_Rflush(struct _marshal_ctx *ctx, struct lib9p_msg_Rflush *val) { + uint32_t needed_size = 7; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rflush", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 109); + MARSHAL_U16LE(ctx, val->tag); + return false; } -LM_FLATTEN static bool marshal_Rclunk(struct _marshal_ctx *ctx, struct lib9p_msg_Rclunk *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 121; false; }) - ; +static bool marshal_Twalk(struct _marshal_ctx *ctx, struct lib9p_msg_Twalk *val) { + uint32_t needed_size = 17; + for (uint16_t i = 0; i < val->nwname; i++) { + needed_size += 2 + val->wname[i].len; + } + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Twalk", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 110); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->fid); + MARSHAL_U32LE(ctx, val->newfid); + MARSHAL_U16LE(ctx, val->nwname); + for (uint16_t i = 0; i < val->nwname; i++) { + MARSHAL_U16LE(ctx, val->wname[i].len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->wname[i].utf8, val->wname[i].len); + } + return false; } -LM_FLATTEN static bool marshal_Rremove(struct _marshal_ctx *ctx, struct lib9p_msg_Rremove *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 123; false; }) - ; +static bool marshal_Rwalk(struct _marshal_ctx *ctx, struct lib9p_msg_Rwalk *val) { + uint32_t needed_size = 9 + (val->nwqid)*13; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rwalk", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 111); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U16LE(ctx, val->nwqid); + for (uint16_t i = 0; i < val->nwqid; i++) { + MARSHAL_U8LE(ctx, val->wqid[i].type & qt_masks[ctx->ctx->version]); + MARSHAL_U32LE(ctx, val->wqid[i].vers); + MARSHAL_U64LE(ctx, val->wqid[i].path); + } + return false; } #endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */ #if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u -LM_FLATTEN static bool marshal_Rwstat(struct _marshal_ctx *ctx, struct lib9p_msg_Rwstat *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 127; false; }) - ; -} - -#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */ -#if CONFIG_9P_ENABLE_9P2000_L -LM_FLATTEN static bool marshal_Rlerror(struct _marshal_ctx *ctx, struct lib9p_msg_Rlerror *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_4(ctx, &val->ecode) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 7; false; }) - ; -} - -LM_FLATTEN static bool marshal_Rstatfs(struct _marshal_ctx *ctx, struct lib9p_msg_Rstatfs *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_4(ctx, &val->type) - || marshal_4(ctx, &val->bsize) - || marshal_8(ctx, &val->blocks) - || marshal_8(ctx, &val->bfree) - || marshal_8(ctx, &val->bavail) - || marshal_8(ctx, &val->files) - || marshal_8(ctx, &val->ffree) - || marshal_8(ctx, &val->fsid) - || marshal_4(ctx, &val->namelen) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 9; false; }) - ; -} - -LM_FLATTEN static bool marshal_Rrename(struct _marshal_ctx *ctx, struct lib9p_msg_Rrename *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 21; false; }) - ; +static bool marshal_Topen(struct _marshal_ctx *ctx, struct lib9p_msg_Topen *val) { + uint32_t needed_size = 12; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Topen", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 112); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->fid); + MARSHAL_U8LE(ctx, val->mode & o_masks[ctx->ctx->version]); + return false; } -LM_FLATTEN static bool marshal_Rsetattr(struct _marshal_ctx *ctx, struct lib9p_msg_Rsetattr *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 27; false; }) - ; +static bool marshal_Ropen(struct _marshal_ctx *ctx, struct lib9p_msg_Ropen *val) { + uint32_t needed_size = 24; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Ropen", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 113); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U8LE(ctx, val->qid.type & qt_masks[ctx->ctx->version]); + MARSHAL_U32LE(ctx, val->qid.vers); + MARSHAL_U64LE(ctx, val->qid.path); + MARSHAL_U32LE(ctx, val->iounit); + return false; } -LM_FLATTEN static bool marshal_Rxattrwalk(struct _marshal_ctx *ctx, struct lib9p_msg_Rxattrwalk *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_8(ctx, &val->attr_size) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 31; false; }) - ; +static bool marshal_Tcreate(struct _marshal_ctx *ctx, struct lib9p_msg_Tcreate *val) { + uint32_t needed_size = 18 + val->name.len; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Tcreate", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 114); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->fid); + MARSHAL_U16LE(ctx, val->name.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->name.utf8, val->name.len); + MARSHAL_U32LE(ctx, val->perm & dm_masks[ctx->ctx->version]); + MARSHAL_U8LE(ctx, val->mode & o_masks[ctx->ctx->version]); + return false; } -LM_FLATTEN static bool marshal_Rxattrcreate(struct _marshal_ctx *ctx, struct lib9p_msg_Rxattrcreate *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 33; false; }) - ; +static bool marshal_Rcreate(struct _marshal_ctx *ctx, struct lib9p_msg_Rcreate *val) { + uint32_t needed_size = 24; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rcreate", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 115); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U8LE(ctx, val->qid.type & qt_masks[ctx->ctx->version]); + MARSHAL_U32LE(ctx, val->qid.vers); + MARSHAL_U64LE(ctx, val->qid.path); + MARSHAL_U32LE(ctx, val->iounit); + return false; } -LM_FLATTEN static bool marshal_Rreaddir(struct _marshal_ctx *ctx, struct lib9p_msg_Rreaddir *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_4(ctx, &val->count) - || ({ bool err = false; - for (typeof(val->count) i = 0; i < val->count && !err; i++) - err = marshal_1(ctx, (uint8_t *)&val->data[i]); - err; }) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 41; false; }) - ; +#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */ +#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u +static bool marshal_Tread(struct _marshal_ctx *ctx, struct lib9p_msg_Tread *val) { + uint32_t needed_size = 23; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Tread", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 116); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->fid); + MARSHAL_U64LE(ctx, val->offset); + MARSHAL_U32LE(ctx, val->count); + return false; } -LM_FLATTEN static bool marshal_Rfsync(struct _marshal_ctx *ctx, struct lib9p_msg_Rfsync *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 51; false; }) - ; +static bool marshal_Rread(struct _marshal_ctx *ctx, struct lib9p_msg_Rread *val) { + uint32_t needed_size = 11 + val->count; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rread", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 117); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->count); + MARSHAL_BYTES_ZEROCOPY(ctx, val->data, val->count); + return false; } -LM_FLATTEN static bool marshal_Rlink(struct _marshal_ctx *ctx, struct lib9p_msg_Rlink *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 71; false; }) - ; +static bool marshal_Twrite(struct _marshal_ctx *ctx, struct lib9p_msg_Twrite *val) { + uint32_t needed_size = 23 + val->count; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Twrite", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 118); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->fid); + MARSHAL_U64LE(ctx, val->offset); + MARSHAL_U32LE(ctx, val->count); + MARSHAL_BYTES_ZEROCOPY(ctx, val->data, val->count); + return false; } -LM_FLATTEN static bool marshal_Rrenameat(struct _marshal_ctx *ctx, struct lib9p_msg_Rrenameat *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 75; false; }) - ; +static bool marshal_Rwrite(struct _marshal_ctx *ctx, struct lib9p_msg_Rwrite *val) { + uint32_t needed_size = 11; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rwrite", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 119); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->count); + return false; } -LM_FLATTEN static bool marshal_Runlinkat(struct _marshal_ctx *ctx, struct lib9p_msg_Runlinkat *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 77; false; }) - ; +static bool marshal_Tclunk(struct _marshal_ctx *ctx, struct lib9p_msg_Tclunk *val) { + uint32_t needed_size = 11; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Tclunk", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 120); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->fid); + return false; } -#endif /* CONFIG_9P_ENABLE_9P2000_L */ -#if CONFIG_9P_ENABLE_9P2000_e -LM_FLATTEN static bool marshal_Tsession(struct _marshal_ctx *ctx, struct lib9p_msg_Tsession *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_8(ctx, &val->key) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 150; false; }) - ; +static bool marshal_Rclunk(struct _marshal_ctx *ctx, struct lib9p_msg_Rclunk *val) { + uint32_t needed_size = 7; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rclunk", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 121); + MARSHAL_U16LE(ctx, val->tag); + return false; } -LM_FLATTEN static bool marshal_Rsession(struct _marshal_ctx *ctx, struct lib9p_msg_Rsession *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 151; false; }) - ; +static bool marshal_Tremove(struct _marshal_ctx *ctx, struct lib9p_msg_Tremove *val) { + uint32_t needed_size = 11; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Tremove", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 122); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->fid); + return false; } -LM_FLATTEN static bool marshal_Rsread(struct _marshal_ctx *ctx, struct lib9p_msg_Rsread *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_4(ctx, &val->count) - || ({ bool err = false; - for (typeof(val->count) i = 0; i < val->count && !err; i++) - err = marshal_1(ctx, (uint8_t *)&val->data[i]); - err; }) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 153; false; }) - ; +static bool marshal_Rremove(struct _marshal_ctx *ctx, struct lib9p_msg_Rremove *val) { + uint32_t needed_size = 7; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rremove", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 123); + MARSHAL_U16LE(ctx, val->tag); + return false; } -LM_FLATTEN static bool marshal_Rswrite(struct _marshal_ctx *ctx, struct lib9p_msg_Rswrite *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_4(ctx, &val->count) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 155; false; }) - ; +#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */ +#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u +static bool marshal_Tstat(struct _marshal_ctx *ctx, struct lib9p_msg_Tstat *val) { + uint32_t needed_size = 11; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Tstat", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 124); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->fid); + return false; } -#endif /* CONFIG_9P_ENABLE_9P2000_e */ -#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u -LM_FLATTEN static bool marshal_Tread(struct _marshal_ctx *ctx, struct lib9p_msg_Tread *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->fid) - || marshal_8(ctx, &val->offset) - || marshal_4(ctx, &val->count) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 116; false; }) - ; +static bool marshal_Rstat(struct _marshal_ctx *ctx, struct lib9p_msg_Rstat *val) { + uint32_t needed_size = 58 + val->stat.file_name.len + val->stat.file_owner_uid.len + val->stat.file_owner_gid.len + val->stat.file_last_modified_uid.len; +#if CONFIG_9P_ENABLE_9P2000_u + if is_ver(ctx, 9P2000_u) { + needed_size += 14 + val->stat.file_extension.len; + } +#endif /* CONFIG_9P_ENABLE_9P2000_u */ + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rstat", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + uint32_t offsetof_stat = 9; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 125); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U16LE(ctx, offsetof_end - offsetof_stat); + uint32_t offsetof_stat_end = 49 + val->stat.file_name.len + val->stat.file_owner_uid.len + val->stat.file_owner_gid.len + val->stat.file_last_modified_uid.len; +#if CONFIG_9P_ENABLE_9P2000_u + if is_ver(ctx, 9P2000_u) { + offsetof_stat_end += 14 + val->stat.file_extension.len; + } +#endif /* CONFIG_9P_ENABLE_9P2000_u */ + uint32_t offsetof_stat_kern_type = 2; + MARSHAL_U16LE(ctx, offsetof_stat_end - offsetof_stat_kern_type); + MARSHAL_U16LE(ctx, val->stat.kern_type); + MARSHAL_U32LE(ctx, val->stat.kern_dev); + MARSHAL_U8LE(ctx, val->stat.file_qid.type & qt_masks[ctx->ctx->version]); + MARSHAL_U32LE(ctx, val->stat.file_qid.vers); + MARSHAL_U64LE(ctx, val->stat.file_qid.path); + MARSHAL_U32LE(ctx, val->stat.file_mode & dm_masks[ctx->ctx->version]); + MARSHAL_U32LE(ctx, val->stat.file_atime); + MARSHAL_U32LE(ctx, val->stat.file_mtime); + MARSHAL_U64LE(ctx, val->stat.file_size); + MARSHAL_U16LE(ctx, val->stat.file_name.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->stat.file_name.utf8, val->stat.file_name.len); + MARSHAL_U16LE(ctx, val->stat.file_owner_uid.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->stat.file_owner_uid.utf8, val->stat.file_owner_uid.len); + MARSHAL_U16LE(ctx, val->stat.file_owner_gid.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->stat.file_owner_gid.utf8, val->stat.file_owner_gid.len); + MARSHAL_U16LE(ctx, val->stat.file_last_modified_uid.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->stat.file_last_modified_uid.utf8, val->stat.file_last_modified_uid.len); +#if CONFIG_9P_ENABLE_9P2000_u + if (is_ver(ctx, 9P2000_u)) { + MARSHAL_U16LE(ctx, val->stat.file_extension.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->stat.file_extension.utf8, val->stat.file_extension.len); + } +#endif /* CONFIG_9P_ENABLE_9P2000_u */ +#if CONFIG_9P_ENABLE_9P2000_u + if (is_ver(ctx, 9P2000_u)) { + MARSHAL_U32LE(ctx, val->stat.file_owner_n_uid); + } +#endif /* CONFIG_9P_ENABLE_9P2000_u */ +#if CONFIG_9P_ENABLE_9P2000_u + if (is_ver(ctx, 9P2000_u)) { + MARSHAL_U32LE(ctx, val->stat.file_owner_n_gid); + } +#endif /* CONFIG_9P_ENABLE_9P2000_u */ +#if CONFIG_9P_ENABLE_9P2000_u + if (is_ver(ctx, 9P2000_u)) { + MARSHAL_U32LE(ctx, val->stat.file_last_modified_n_uid); + } +#endif /* CONFIG_9P_ENABLE_9P2000_u */ + return false; } -LM_FLATTEN static bool marshal_Twrite(struct _marshal_ctx *ctx, struct lib9p_msg_Twrite *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->fid) - || marshal_8(ctx, &val->offset) - || marshal_4(ctx, &val->count) - || ({ bool err = false; - for (typeof(val->count) i = 0; i < val->count && !err; i++) - err = marshal_1(ctx, (uint8_t *)&val->data[i]); - err; }) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 118; false; }) - ; +static bool marshal_Twstat(struct _marshal_ctx *ctx, struct lib9p_msg_Twstat *val) { + uint32_t needed_size = 62 + val->stat.file_name.len + val->stat.file_owner_uid.len + val->stat.file_owner_gid.len + val->stat.file_last_modified_uid.len; +#if CONFIG_9P_ENABLE_9P2000_u + if is_ver(ctx, 9P2000_u) { + needed_size += 14 + val->stat.file_extension.len; + } +#endif /* CONFIG_9P_ENABLE_9P2000_u */ + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Twstat", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + uint32_t offsetof_stat = 13; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 126); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->fid); + MARSHAL_U16LE(ctx, offsetof_end - offsetof_stat); + uint32_t offsetof_stat_end = 49 + val->stat.file_name.len + val->stat.file_owner_uid.len + val->stat.file_owner_gid.len + val->stat.file_last_modified_uid.len; +#if CONFIG_9P_ENABLE_9P2000_u + if is_ver(ctx, 9P2000_u) { + offsetof_stat_end += 14 + val->stat.file_extension.len; + } +#endif /* CONFIG_9P_ENABLE_9P2000_u */ + uint32_t offsetof_stat_kern_type = 2; + MARSHAL_U16LE(ctx, offsetof_stat_end - offsetof_stat_kern_type); + MARSHAL_U16LE(ctx, val->stat.kern_type); + MARSHAL_U32LE(ctx, val->stat.kern_dev); + MARSHAL_U8LE(ctx, val->stat.file_qid.type & qt_masks[ctx->ctx->version]); + MARSHAL_U32LE(ctx, val->stat.file_qid.vers); + MARSHAL_U64LE(ctx, val->stat.file_qid.path); + MARSHAL_U32LE(ctx, val->stat.file_mode & dm_masks[ctx->ctx->version]); + MARSHAL_U32LE(ctx, val->stat.file_atime); + MARSHAL_U32LE(ctx, val->stat.file_mtime); + MARSHAL_U64LE(ctx, val->stat.file_size); + MARSHAL_U16LE(ctx, val->stat.file_name.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->stat.file_name.utf8, val->stat.file_name.len); + MARSHAL_U16LE(ctx, val->stat.file_owner_uid.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->stat.file_owner_uid.utf8, val->stat.file_owner_uid.len); + MARSHAL_U16LE(ctx, val->stat.file_owner_gid.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->stat.file_owner_gid.utf8, val->stat.file_owner_gid.len); + MARSHAL_U16LE(ctx, val->stat.file_last_modified_uid.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->stat.file_last_modified_uid.utf8, val->stat.file_last_modified_uid.len); +#if CONFIG_9P_ENABLE_9P2000_u + if (is_ver(ctx, 9P2000_u)) { + MARSHAL_U16LE(ctx, val->stat.file_extension.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->stat.file_extension.utf8, val->stat.file_extension.len); + } +#endif /* CONFIG_9P_ENABLE_9P2000_u */ +#if CONFIG_9P_ENABLE_9P2000_u + if (is_ver(ctx, 9P2000_u)) { + MARSHAL_U32LE(ctx, val->stat.file_owner_n_uid); + } +#endif /* CONFIG_9P_ENABLE_9P2000_u */ +#if CONFIG_9P_ENABLE_9P2000_u + if (is_ver(ctx, 9P2000_u)) { + MARSHAL_U32LE(ctx, val->stat.file_owner_n_gid); + } +#endif /* CONFIG_9P_ENABLE_9P2000_u */ +#if CONFIG_9P_ENABLE_9P2000_u + if (is_ver(ctx, 9P2000_u)) { + MARSHAL_U32LE(ctx, val->stat.file_last_modified_n_uid); + } +#endif /* CONFIG_9P_ENABLE_9P2000_u */ + return false; } -LM_FLATTEN static bool marshal_Tclunk(struct _marshal_ctx *ctx, struct lib9p_msg_Tclunk *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->fid) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 120; false; }) - ; +static bool marshal_Rwstat(struct _marshal_ctx *ctx, struct lib9p_msg_Rwstat *val) { + uint32_t needed_size = 7; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rwstat", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 127); + MARSHAL_U16LE(ctx, val->tag); + return false; } -LM_FLATTEN static bool marshal_Tremove(struct _marshal_ctx *ctx, struct lib9p_msg_Tremove *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->fid) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 122; false; }) - ; +#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */ +#if CONFIG_9P_ENABLE_9P2000_p9p +static bool marshal_Topenfd(struct _marshal_ctx *ctx, struct lib9p_msg_Topenfd *val) { + uint32_t needed_size = 12; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Topenfd", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 98); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->fid); + MARSHAL_U8LE(ctx, val->mode & o_masks[ctx->ctx->version]); + return false; } -#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */ -#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u -LM_FLATTEN static bool marshal_Tstat(struct _marshal_ctx *ctx, struct lib9p_msg_Tstat *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->fid) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 124; false; }) - ; +static bool marshal_Ropenfd(struct _marshal_ctx *ctx, struct lib9p_msg_Ropenfd *val) { + uint32_t needed_size = 28; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Ropenfd", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 99); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U8LE(ctx, val->qid.type & qt_masks[ctx->ctx->version]); + MARSHAL_U32LE(ctx, val->qid.vers); + MARSHAL_U64LE(ctx, val->qid.path); + MARSHAL_U32LE(ctx, val->iounit); + MARSHAL_U32LE(ctx, val->unixfd); + return false; } -#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */ +#endif /* CONFIG_9P_ENABLE_9P2000_p9p */ #if CONFIG_9P_ENABLE_9P2000_L -LM_FLATTEN static bool marshal_Tstatfs(struct _marshal_ctx *ctx, struct lib9p_msg_Tstatfs *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->fid) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 8; false; }) - ; -} - -LM_FLATTEN static bool marshal_Tlopen(struct _marshal_ctx *ctx, struct lib9p_msg_Tlopen *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->fid) - || marshal_4(ctx, &val->flags) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 12; false; }) - ; +static bool marshal_Rlerror(struct _marshal_ctx *ctx, struct lib9p_msg_Rlerror *val) { + uint32_t needed_size = 11; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rlerror", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 7); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->ecode); + return false; } -LM_FLATTEN static bool marshal_Treadlink(struct _marshal_ctx *ctx, struct lib9p_msg_Treadlink *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->fid) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 22; false; }) - ; +static bool marshal_Tstatfs(struct _marshal_ctx *ctx, struct lib9p_msg_Tstatfs *val) { + uint32_t needed_size = 11; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Tstatfs", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 8); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->fid); + return false; } -LM_FLATTEN static bool marshal_Treaddir(struct _marshal_ctx *ctx, struct lib9p_msg_Treaddir *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->fid) - || marshal_8(ctx, &val->offset) - || marshal_4(ctx, &val->count) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 40; false; }) - ; +static bool marshal_Rstatfs(struct _marshal_ctx *ctx, struct lib9p_msg_Rstatfs *val) { + uint32_t needed_size = 67; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rstatfs", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 9); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->type); + MARSHAL_U32LE(ctx, val->bsize); + MARSHAL_U64LE(ctx, val->blocks); + MARSHAL_U64LE(ctx, val->bfree); + MARSHAL_U64LE(ctx, val->bavail); + MARSHAL_U64LE(ctx, val->files); + MARSHAL_U64LE(ctx, val->ffree); + MARSHAL_U64LE(ctx, val->fsid); + MARSHAL_U32LE(ctx, val->namelen); + return false; } -LM_FLATTEN static bool marshal_Tfsync(struct _marshal_ctx *ctx, struct lib9p_msg_Tfsync *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->fid) - || marshal_4(ctx, &val->datasync) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 50; false; }) - ; +static bool marshal_Tlopen(struct _marshal_ctx *ctx, struct lib9p_msg_Tlopen *val) { + uint32_t needed_size = 15; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Tlopen", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 12); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->fid); + MARSHAL_U32LE(ctx, val->flags); + return false; } -#endif /* CONFIG_9P_ENABLE_9P2000_L */ -#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u -LM_FLATTEN static bool marshal_Tversion(struct _marshal_ctx *ctx, struct lib9p_msg_Tversion *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_4(ctx, &val->max_msg_size) - || marshal_s(ctx, &val->version) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 100; false; }) - ; +static bool marshal_Rlopen(struct _marshal_ctx *ctx, struct lib9p_msg_Rlopen *val) { + uint32_t needed_size = 24; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rlopen", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 13); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U8LE(ctx, val->qid.type & qt_masks[ctx->ctx->version]); + MARSHAL_U32LE(ctx, val->qid.vers); + MARSHAL_U64LE(ctx, val->qid.path); + MARSHAL_U32LE(ctx, val->iounit); + return false; } -LM_FLATTEN static bool marshal_Rversion(struct _marshal_ctx *ctx, struct lib9p_msg_Rversion *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_4(ctx, &val->max_msg_size) - || marshal_s(ctx, &val->version) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 101; false; }) - ; +static bool marshal_Tlcreate(struct _marshal_ctx *ctx, struct lib9p_msg_Tlcreate *val) { + uint32_t needed_size = 25 + val->name.len; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Tlcreate", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 14); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->fid); + MARSHAL_U16LE(ctx, val->name.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->name.utf8, val->name.len); + MARSHAL_U32LE(ctx, val->flags); + MARSHAL_U32LE(ctx, val->mode); + MARSHAL_U32LE(ctx, val->gid); + return false; } -LM_FLATTEN static bool marshal_Rerror(struct _marshal_ctx *ctx, struct lib9p_msg_Rerror *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_s(ctx, &val->ename) -#if CONFIG_9P_ENABLE_9P2000_u - || ( is_ver(ctx, 9P2000_u) && marshal_4(ctx, &val->errno) ) -#endif /* CONFIG_9P_ENABLE_9P2000_u */ - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 107; false; }) - ; +static bool marshal_Rlcreate(struct _marshal_ctx *ctx, struct lib9p_msg_Rlcreate *val) { + uint32_t needed_size = 24; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rlcreate", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 15); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U8LE(ctx, val->qid.type & qt_masks[ctx->ctx->version]); + MARSHAL_U32LE(ctx, val->qid.vers); + MARSHAL_U64LE(ctx, val->qid.path); + MARSHAL_U32LE(ctx, val->iounit); + return false; } -LM_FLATTEN static bool marshal_Twalk(struct _marshal_ctx *ctx, struct lib9p_msg_Twalk *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->fid) - || marshal_fid(ctx, &val->newfid) - || marshal_2(ctx, &val->nwname) - || ({ bool err = false; - for (typeof(val->nwname) i = 0; i < val->nwname && !err; i++) - err = marshal_s(ctx, &val->wname[i]); - err; }) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 110; false; }) - ; +static bool marshal_Tsymlink(struct _marshal_ctx *ctx, struct lib9p_msg_Tsymlink *val) { + uint32_t needed_size = 19 + val->name.len + val->symtgt.len; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Tsymlink", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 16); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->fid); + MARSHAL_U16LE(ctx, val->name.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->name.utf8, val->name.len); + MARSHAL_U16LE(ctx, val->symtgt.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->symtgt.utf8, val->symtgt.len); + MARSHAL_U32LE(ctx, val->gid); + return false; } -#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */ -#if CONFIG_9P_ENABLE_9P2000_L -LM_FLATTEN static bool marshal_Trename(struct _marshal_ctx *ctx, struct lib9p_msg_Trename *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->fid) - || marshal_fid(ctx, &val->dfid) - || marshal_s(ctx, &val->name) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 20; false; }) - ; +static bool marshal_Rsymlink(struct _marshal_ctx *ctx, struct lib9p_msg_Rsymlink *val) { + uint32_t needed_size = 20; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rsymlink", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 17); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U8LE(ctx, val->qid.type & qt_masks[ctx->ctx->version]); + MARSHAL_U32LE(ctx, val->qid.vers); + MARSHAL_U64LE(ctx, val->qid.path); + return false; } -LM_FLATTEN static bool marshal_Rreadlink(struct _marshal_ctx *ctx, struct lib9p_msg_Rreadlink *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_s(ctx, &val->target) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 23; false; }) - ; +static bool marshal_Tmknod(struct _marshal_ctx *ctx, struct lib9p_msg_Tmknod *val) { + uint32_t needed_size = 29 + val->name.len; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Tmknod", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 18); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->dfid); + MARSHAL_U16LE(ctx, val->name.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->name.utf8, val->name.len); + MARSHAL_U32LE(ctx, val->mode); + MARSHAL_U32LE(ctx, val->major); + MARSHAL_U32LE(ctx, val->minor); + MARSHAL_U32LE(ctx, val->gid); + return false; } -LM_FLATTEN static bool marshal_Txattrwalk(struct _marshal_ctx *ctx, struct lib9p_msg_Txattrwalk *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->fid) - || marshal_fid(ctx, &val->newfid) - || marshal_s(ctx, &val->name) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 30; false; }) - ; +static bool marshal_Rmknod(struct _marshal_ctx *ctx, struct lib9p_msg_Rmknod *val) { + uint32_t needed_size = 20; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rmknod", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 19); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U8LE(ctx, val->qid.type & qt_masks[ctx->ctx->version]); + MARSHAL_U32LE(ctx, val->qid.vers); + MARSHAL_U64LE(ctx, val->qid.path); + return false; } -LM_FLATTEN static bool marshal_Txattrcreate(struct _marshal_ctx *ctx, struct lib9p_msg_Txattrcreate *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->fid) - || marshal_s(ctx, &val->name) - || marshal_8(ctx, &val->attr_size) - || marshal_4(ctx, &val->flags) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 32; false; }) - ; +static bool marshal_Trename(struct _marshal_ctx *ctx, struct lib9p_msg_Trename *val) { + uint32_t needed_size = 17 + val->name.len; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Trename", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 20); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->fid); + MARSHAL_U32LE(ctx, val->dfid); + MARSHAL_U16LE(ctx, val->name.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->name.utf8, val->name.len); + return false; } -LM_FLATTEN static bool marshal_Tgetlock(struct _marshal_ctx *ctx, struct lib9p_msg_Tgetlock *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->fid) - || marshal_1(ctx, &val->type) - || marshal_8(ctx, &val->start) - || marshal_8(ctx, &val->length) - || marshal_4(ctx, &val->proc_id) - || marshal_s(ctx, &val->client_id) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 54; false; }) - ; +static bool marshal_Rrename(struct _marshal_ctx *ctx, struct lib9p_msg_Rrename *val) { + uint32_t needed_size = 7; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rrename", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 21); + MARSHAL_U16LE(ctx, val->tag); + return false; } -LM_FLATTEN static bool marshal_Rgetlock(struct _marshal_ctx *ctx, struct lib9p_msg_Rgetlock *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_1(ctx, &val->type) - || marshal_8(ctx, &val->start) - || marshal_8(ctx, &val->length) - || marshal_4(ctx, &val->proc_id) - || marshal_s(ctx, &val->client_id) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 55; false; }) - ; +static bool marshal_Treadlink(struct _marshal_ctx *ctx, struct lib9p_msg_Treadlink *val) { + uint32_t needed_size = 11; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Treadlink", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 22); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->fid); + return false; } -LM_FLATTEN static bool marshal_Tlink(struct _marshal_ctx *ctx, struct lib9p_msg_Tlink *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->dfid) - || marshal_fid(ctx, &val->fid) - || marshal_s(ctx, &val->name) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 70; false; }) - ; +static bool marshal_Rreadlink(struct _marshal_ctx *ctx, struct lib9p_msg_Rreadlink *val) { + uint32_t needed_size = 9 + val->target.len; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rreadlink", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 23); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U16LE(ctx, val->target.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->target.utf8, val->target.len); + return false; } -LM_FLATTEN static bool marshal_Trenameat(struct _marshal_ctx *ctx, struct lib9p_msg_Trenameat *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->olddirfid) - || marshal_s(ctx, &val->oldname) - || marshal_fid(ctx, &val->newdirfid) - || marshal_s(ctx, &val->newname) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 74; false; }) - ; +static bool marshal_Tgetattr(struct _marshal_ctx *ctx, struct lib9p_msg_Tgetattr *val) { + uint32_t needed_size = 19; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Tgetattr", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 24); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->fid); + MARSHAL_U64LE(ctx, val->request_mask & getattr_masks[ctx->ctx->version]); + return false; } -LM_FLATTEN static bool marshal_Tunlinkat(struct _marshal_ctx *ctx, struct lib9p_msg_Tunlinkat *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->dirfd) - || marshal_s(ctx, &val->name) - || marshal_4(ctx, &val->flags) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 76; false; }) - ; +static bool marshal_Rgetattr(struct _marshal_ctx *ctx, struct lib9p_msg_Rgetattr *val) { + uint32_t needed_size = 160; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rgetattr", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 25); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U64LE(ctx, val->valid); + MARSHAL_U8LE(ctx, val->qid.type & qt_masks[ctx->ctx->version]); + MARSHAL_U32LE(ctx, val->qid.vers); + MARSHAL_U64LE(ctx, val->qid.path); + MARSHAL_U32LE(ctx, val->mode); + MARSHAL_U32LE(ctx, val->uid); + MARSHAL_U32LE(ctx, val->gid); + MARSHAL_U64LE(ctx, val->nlink); + MARSHAL_U64LE(ctx, val->rdev); + MARSHAL_U64LE(ctx, val->filesize); + MARSHAL_U64LE(ctx, val->blksize); + MARSHAL_U64LE(ctx, val->blocks); + MARSHAL_U64LE(ctx, val->atime_sec); + MARSHAL_U64LE(ctx, val->atime_nsec); + MARSHAL_U64LE(ctx, val->mtime_sec); + MARSHAL_U64LE(ctx, val->mtime_nsec); + MARSHAL_U64LE(ctx, val->ctime_sec); + MARSHAL_U64LE(ctx, val->ctime_nsec); + MARSHAL_U64LE(ctx, val->btime_sec); + MARSHAL_U64LE(ctx, val->btime_nsec); + MARSHAL_U64LE(ctx, val->gen); + MARSHAL_U64LE(ctx, val->data_version); + return false; } -#endif /* CONFIG_9P_ENABLE_9P2000_L */ -#if CONFIG_9P_ENABLE_9P2000_e -LM_FLATTEN static bool marshal_Tsread(struct _marshal_ctx *ctx, struct lib9p_msg_Tsread *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_4(ctx, &val->fid) - || marshal_2(ctx, &val->nwname) - || ({ bool err = false; - for (typeof(val->nwname) i = 0; i < val->nwname && !err; i++) - err = marshal_s(ctx, &val->wname[i]); - err; }) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 152; false; }) - ; +static bool marshal_Tsetattr(struct _marshal_ctx *ctx, struct lib9p_msg_Tsetattr *val) { + uint32_t needed_size = 67; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Tsetattr", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 26); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->fid); + MARSHAL_U32LE(ctx, val->valid & setattr_masks[ctx->ctx->version]); + MARSHAL_U32LE(ctx, val->mode); + MARSHAL_U32LE(ctx, val->uid); + MARSHAL_U32LE(ctx, val->gid); + MARSHAL_U64LE(ctx, val->filesize); + MARSHAL_U64LE(ctx, val->atime_sec); + MARSHAL_U64LE(ctx, val->atime_nsec); + MARSHAL_U64LE(ctx, val->mtime_sec); + MARSHAL_U64LE(ctx, val->mtime_nsec); + return false; } -LM_FLATTEN static bool marshal_Tswrite(struct _marshal_ctx *ctx, struct lib9p_msg_Tswrite *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_4(ctx, &val->fid) - || marshal_2(ctx, &val->nwname) - || ({ bool err = false; - for (typeof(val->nwname) i = 0; i < val->nwname && !err; i++) - err = marshal_s(ctx, &val->wname[i]); - err; }) - || marshal_4(ctx, &val->count) - || ({ bool err = false; - for (typeof(val->count) i = 0; i < val->count && !err; i++) - err = marshal_1(ctx, (uint8_t *)&val->data[i]); - err; }) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 154; false; }) - ; +static bool marshal_Rsetattr(struct _marshal_ctx *ctx, struct lib9p_msg_Rsetattr *val) { + uint32_t needed_size = 7; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rsetattr", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 27); + MARSHAL_U16LE(ctx, val->tag); + return false; } -#endif /* CONFIG_9P_ENABLE_9P2000_e */ -#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u -LM_ALWAYS_INLINE static bool marshal_qid(struct _marshal_ctx *ctx, struct lib9p_qid *val) { - return false - || marshal_qt(ctx, &val->type) - || marshal_4(ctx, &val->vers) - || marshal_8(ctx, &val->path) - ; +static bool marshal_Txattrwalk(struct _marshal_ctx *ctx, struct lib9p_msg_Txattrwalk *val) { + uint32_t needed_size = 17 + val->name.len; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Txattrwalk", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 30); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->fid); + MARSHAL_U32LE(ctx, val->newfid); + MARSHAL_U16LE(ctx, val->name.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->name.utf8, val->name.len); + return false; } -LM_FLATTEN static bool marshal_Tauth(struct _marshal_ctx *ctx, struct lib9p_msg_Tauth *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->afid) - || marshal_s(ctx, &val->uname) - || marshal_s(ctx, &val->aname) -#if CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_u - || ( ( is_ver(ctx, 9P2000_L) || is_ver(ctx, 9P2000_u) ) && marshal_nuid(ctx, &val->n_uid) ) -#endif /* CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_u */ - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 102; false; }) - ; +static bool marshal_Rxattrwalk(struct _marshal_ctx *ctx, struct lib9p_msg_Rxattrwalk *val) { + uint32_t needed_size = 15; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rxattrwalk", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 31); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U64LE(ctx, val->attr_size); + return false; } -LM_FLATTEN static bool marshal_Tattach(struct _marshal_ctx *ctx, struct lib9p_msg_Tattach *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->fid) - || marshal_fid(ctx, &val->afid) - || marshal_s(ctx, &val->uname) - || marshal_s(ctx, &val->aname) -#if CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_u - || ( ( is_ver(ctx, 9P2000_L) || is_ver(ctx, 9P2000_u) ) && marshal_nuid(ctx, &val->n_uid) ) -#endif /* CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_u */ - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 104; false; }) - ; +static bool marshal_Txattrcreate(struct _marshal_ctx *ctx, struct lib9p_msg_Txattrcreate *val) { + uint32_t needed_size = 25 + val->name.len; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Txattrcreate", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 32); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->fid); + MARSHAL_U16LE(ctx, val->name.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->name.utf8, val->name.len); + MARSHAL_U64LE(ctx, val->attr_size); + MARSHAL_U32LE(ctx, val->flags); + return false; } -#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */ -#if CONFIG_9P_ENABLE_9P2000_L -LM_FLATTEN static bool marshal_Tlcreate(struct _marshal_ctx *ctx, struct lib9p_msg_Tlcreate *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->fid) - || marshal_s(ctx, &val->name) - || marshal_4(ctx, &val->flags) - || marshal_4(ctx, &val->mode) - || marshal_nuid(ctx, &val->gid) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 14; false; }) - ; +static bool marshal_Rxattrcreate(struct _marshal_ctx *ctx, struct lib9p_msg_Rxattrcreate *val) { + uint32_t needed_size = 7; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rxattrcreate", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 33); + MARSHAL_U16LE(ctx, val->tag); + return false; } -LM_FLATTEN static bool marshal_Tsymlink(struct _marshal_ctx *ctx, struct lib9p_msg_Tsymlink *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->fid) - || marshal_s(ctx, &val->name) - || marshal_s(ctx, &val->symtgt) - || marshal_nuid(ctx, &val->gid) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 16; false; }) - ; +static bool marshal_Treaddir(struct _marshal_ctx *ctx, struct lib9p_msg_Treaddir *val) { + uint32_t needed_size = 23; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Treaddir", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 40); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->fid); + MARSHAL_U64LE(ctx, val->offset); + MARSHAL_U32LE(ctx, val->count); + return false; } -LM_FLATTEN static bool marshal_Tmknod(struct _marshal_ctx *ctx, struct lib9p_msg_Tmknod *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->dfid) - || marshal_s(ctx, &val->name) - || marshal_4(ctx, &val->mode) - || marshal_4(ctx, &val->major) - || marshal_4(ctx, &val->minor) - || marshal_nuid(ctx, &val->gid) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 18; false; }) - ; +static bool marshal_Rreaddir(struct _marshal_ctx *ctx, struct lib9p_msg_Rreaddir *val) { + uint64_t needed_size = 11 + val->count; + if (needed_size > (uint64_t)(ctx->ctx->max_msg_size)) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rreaddir", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = (uint32_t)needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 41); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->count); + MARSHAL_BYTES_ZEROCOPY(ctx, val->data, val->count); + return false; } -LM_FLATTEN static bool marshal_Tmkdir(struct _marshal_ctx *ctx, struct lib9p_msg_Tmkdir *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->dfid) - || marshal_s(ctx, &val->name) - || marshal_4(ctx, &val->mode) - || marshal_nuid(ctx, &val->gid) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 72; false; }) - ; +static bool marshal_Tfsync(struct _marshal_ctx *ctx, struct lib9p_msg_Tfsync *val) { + uint32_t needed_size = 15; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Tfsync", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 50); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->fid); + MARSHAL_U32LE(ctx, val->datasync); + return false; } -#endif /* CONFIG_9P_ENABLE_9P2000_L */ -#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u -LM_FLATTEN static bool marshal_Topen(struct _marshal_ctx *ctx, struct lib9p_msg_Topen *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->fid) - || marshal_o(ctx, &val->mode) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 112; false; }) - ; +static bool marshal_Rfsync(struct _marshal_ctx *ctx, struct lib9p_msg_Rfsync *val) { + uint32_t needed_size = 7; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rfsync", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 51); + MARSHAL_U16LE(ctx, val->tag); + return false; } -LM_FLATTEN static bool marshal_Tcreate(struct _marshal_ctx *ctx, struct lib9p_msg_Tcreate *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->fid) - || marshal_s(ctx, &val->name) - || marshal_dm(ctx, &val->perm) - || marshal_o(ctx, &val->mode) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 114; false; }) - ; +static bool marshal_Tlock(struct _marshal_ctx *ctx, struct lib9p_msg_Tlock *val) { + uint32_t needed_size = 38 + val->client_id.len; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Tlock", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 52); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->fid); + MARSHAL_U8LE(ctx, val->type); + MARSHAL_U32LE(ctx, val->flags & lock_flags_masks[ctx->ctx->version]); + MARSHAL_U64LE(ctx, val->start); + MARSHAL_U64LE(ctx, val->length); + MARSHAL_U32LE(ctx, val->proc_id); + MARSHAL_U16LE(ctx, val->client_id.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->client_id.utf8, val->client_id.len); + return false; } -#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */ -#if CONFIG_9P_ENABLE_9P2000_p9p -LM_FLATTEN static bool marshal_Topenfd(struct _marshal_ctx *ctx, struct lib9p_msg_Topenfd *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->fid) - || marshal_o(ctx, &val->mode) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 98; false; }) - ; +static bool marshal_Rlock(struct _marshal_ctx *ctx, struct lib9p_msg_Rlock *val) { + uint32_t needed_size = 8; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rlock", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 53); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U8LE(ctx, val->status); + return false; } -#endif /* CONFIG_9P_ENABLE_9P2000_p9p */ -#if CONFIG_9P_ENABLE_9P2000_L -LM_FLATTEN static bool marshal_Tgetattr(struct _marshal_ctx *ctx, struct lib9p_msg_Tgetattr *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->fid) - || marshal_getattr(ctx, &val->request_mask) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 24; false; }) - ; +static bool marshal_Tgetlock(struct _marshal_ctx *ctx, struct lib9p_msg_Tgetlock *val) { + uint32_t needed_size = 34 + val->client_id.len; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Tgetlock", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 54); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->fid); + MARSHAL_U8LE(ctx, val->type); + MARSHAL_U64LE(ctx, val->start); + MARSHAL_U64LE(ctx, val->length); + MARSHAL_U32LE(ctx, val->proc_id); + MARSHAL_U16LE(ctx, val->client_id.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->client_id.utf8, val->client_id.len); + return false; } -LM_FLATTEN static bool marshal_Tsetattr(struct _marshal_ctx *ctx, struct lib9p_msg_Tsetattr *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->fid) - || marshal_setattr(ctx, &val->valid) - || marshal_4(ctx, &val->mode) - || marshal_nuid(ctx, &val->uid) - || marshal_nuid(ctx, &val->gid) - || marshal_8(ctx, &val->filesize) - || marshal_8(ctx, &val->atime_sec) - || marshal_8(ctx, &val->atime_nsec) - || marshal_8(ctx, &val->mtime_sec) - || marshal_8(ctx, &val->mtime_nsec) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 26; false; }) - ; +static bool marshal_Rgetlock(struct _marshal_ctx *ctx, struct lib9p_msg_Rgetlock *val) { + uint32_t needed_size = 30 + val->client_id.len; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rgetlock", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 55); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U8LE(ctx, val->type); + MARSHAL_U64LE(ctx, val->start); + MARSHAL_U64LE(ctx, val->length); + MARSHAL_U32LE(ctx, val->proc_id); + MARSHAL_U16LE(ctx, val->client_id.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->client_id.utf8, val->client_id.len); + return false; } -LM_FLATTEN static bool marshal_Tlock(struct _marshal_ctx *ctx, struct lib9p_msg_Tlock *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->fid) - || marshal_lock_type(ctx, &val->type) - || marshal_lock_flags(ctx, &val->flags) - || marshal_8(ctx, &val->start) - || marshal_8(ctx, &val->length) - || marshal_4(ctx, &val->proc_id) - || marshal_s(ctx, &val->client_id) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 52; false; }) - ; +static bool marshal_Tlink(struct _marshal_ctx *ctx, struct lib9p_msg_Tlink *val) { + uint32_t needed_size = 17 + val->name.len; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Tlink", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 70); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->dfid); + MARSHAL_U32LE(ctx, val->fid); + MARSHAL_U16LE(ctx, val->name.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->name.utf8, val->name.len); + return false; } -LM_FLATTEN static bool marshal_Rlock(struct _marshal_ctx *ctx, struct lib9p_msg_Rlock *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_lock_status(ctx, &val->status) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 53; false; }) - ; +static bool marshal_Rlink(struct _marshal_ctx *ctx, struct lib9p_msg_Rlink *val) { + uint32_t needed_size = 7; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rlink", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 71); + MARSHAL_U16LE(ctx, val->tag); + return false; } -#endif /* CONFIG_9P_ENABLE_9P2000_L */ -#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u -LM_ALWAYS_INLINE static bool marshal_stat(struct _marshal_ctx *ctx, struct lib9p_stat *val) { - uint32_t _stat_size_offset; - uint32_t _kern_type_offset; - return false - || ({ _stat_size_offset = ctx->net_offset; ({ ctx->net_offset += 2; false; }); }) - || ({ _kern_type_offset = ctx->net_offset; marshal_2(ctx, &val->kern_type); }) - || marshal_4(ctx, &val->kern_dev) - || marshal_qid(ctx, &val->file_qid) - || marshal_dm(ctx, &val->file_mode) - || marshal_4(ctx, &val->file_atime) - || marshal_4(ctx, &val->file_mtime) - || marshal_8(ctx, &val->file_size) - || marshal_s(ctx, &val->file_name) - || marshal_s(ctx, &val->file_owner_uid) - || marshal_s(ctx, &val->file_owner_gid) - || marshal_s(ctx, &val->file_last_modified_uid) -#if CONFIG_9P_ENABLE_9P2000_u - || ( is_ver(ctx, 9P2000_u) && marshal_s(ctx, &val->file_extension) ) - || ( is_ver(ctx, 9P2000_u) && marshal_nuid(ctx, &val->file_owner_n_uid) ) - || ( is_ver(ctx, 9P2000_u) && marshal_nuid(ctx, &val->file_owner_n_gid) ) - || ( is_ver(ctx, 9P2000_u) && marshal_nuid(ctx, &val->file_last_modified_n_uid) ) -#endif /* CONFIG_9P_ENABLE_9P2000_u */ - || ({ uint16le_encode(&ctx->net_bytes[_stat_size_offset], ctx->net_offset - _kern_type_offset); false; }) - ; +static bool marshal_Tmkdir(struct _marshal_ctx *ctx, struct lib9p_msg_Tmkdir *val) { + uint32_t needed_size = 21 + val->name.len; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Tmkdir", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 72); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->dfid); + MARSHAL_U16LE(ctx, val->name.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->name.utf8, val->name.len); + MARSHAL_U32LE(ctx, val->mode); + MARSHAL_U32LE(ctx, val->gid); + return false; } -#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */ -#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u -LM_FLATTEN static bool marshal_Rauth(struct _marshal_ctx *ctx, struct lib9p_msg_Rauth *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_qid(ctx, &val->aqid) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 103; false; }) - ; +static bool marshal_Rmkdir(struct _marshal_ctx *ctx, struct lib9p_msg_Rmkdir *val) { + uint32_t needed_size = 20; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rmkdir", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 73); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U8LE(ctx, val->qid.type & qt_masks[ctx->ctx->version]); + MARSHAL_U32LE(ctx, val->qid.vers); + MARSHAL_U64LE(ctx, val->qid.path); + return false; } -LM_FLATTEN static bool marshal_Rattach(struct _marshal_ctx *ctx, struct lib9p_msg_Rattach *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_qid(ctx, &val->qid) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 105; false; }) - ; +static bool marshal_Trenameat(struct _marshal_ctx *ctx, struct lib9p_msg_Trenameat *val) { + uint32_t needed_size = 19 + val->oldname.len + val->newname.len; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Trenameat", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 74); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->olddirfid); + MARSHAL_U16LE(ctx, val->oldname.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->oldname.utf8, val->oldname.len); + MARSHAL_U32LE(ctx, val->newdirfid); + MARSHAL_U16LE(ctx, val->newname.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->newname.utf8, val->newname.len); + return false; } -LM_FLATTEN static bool marshal_Rwalk(struct _marshal_ctx *ctx, struct lib9p_msg_Rwalk *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_2(ctx, &val->nwqid) - || ({ bool err = false; - for (typeof(val->nwqid) i = 0; i < val->nwqid && !err; i++) - err = marshal_qid(ctx, &val->wqid[i]); - err; }) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 111; false; }) - ; +static bool marshal_Rrenameat(struct _marshal_ctx *ctx, struct lib9p_msg_Rrenameat *val) { + uint32_t needed_size = 7; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rrenameat", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 75); + MARSHAL_U16LE(ctx, val->tag); + return false; } -#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */ -#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u -LM_FLATTEN static bool marshal_Ropen(struct _marshal_ctx *ctx, struct lib9p_msg_Ropen *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_qid(ctx, &val->qid) - || marshal_4(ctx, &val->iounit) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 113; false; }) - ; +static bool marshal_Tunlinkat(struct _marshal_ctx *ctx, struct lib9p_msg_Tunlinkat *val) { + uint32_t needed_size = 17 + val->name.len; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Tunlinkat", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 76); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->dirfd); + MARSHAL_U16LE(ctx, val->name.len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->name.utf8, val->name.len); + MARSHAL_U32LE(ctx, val->flags); + return false; } -LM_FLATTEN static bool marshal_Rcreate(struct _marshal_ctx *ctx, struct lib9p_msg_Rcreate *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_qid(ctx, &val->qid) - || marshal_4(ctx, &val->iounit) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 115; false; }) - ; +static bool marshal_Runlinkat(struct _marshal_ctx *ctx, struct lib9p_msg_Runlinkat *val) { + uint32_t needed_size = 7; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Runlinkat", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 77); + MARSHAL_U16LE(ctx, val->tag); + return false; } -#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */ -#if CONFIG_9P_ENABLE_9P2000_p9p -LM_FLATTEN static bool marshal_Ropenfd(struct _marshal_ctx *ctx, struct lib9p_msg_Ropenfd *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_qid(ctx, &val->qid) - || marshal_4(ctx, &val->iounit) - || marshal_4(ctx, &val->unixfd) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 99; false; }) - ; +#endif /* CONFIG_9P_ENABLE_9P2000_L */ +#if CONFIG_9P_ENABLE_9P2000_e +static bool marshal_Tsession(struct _marshal_ctx *ctx, struct lib9p_msg_Tsession *val) { + uint32_t needed_size = 15; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Tsession", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 150); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U64LE(ctx, val->key); + return false; } -#endif /* CONFIG_9P_ENABLE_9P2000_p9p */ -#if CONFIG_9P_ENABLE_9P2000_L -LM_FLATTEN static bool marshal_Rlopen(struct _marshal_ctx *ctx, struct lib9p_msg_Rlopen *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_qid(ctx, &val->qid) - || marshal_4(ctx, &val->iounit) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 13; false; }) - ; +static bool marshal_Rsession(struct _marshal_ctx *ctx, struct lib9p_msg_Rsession *val) { + uint32_t needed_size = 7; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rsession", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 151); + MARSHAL_U16LE(ctx, val->tag); + return false; } -LM_FLATTEN static bool marshal_Rlcreate(struct _marshal_ctx *ctx, struct lib9p_msg_Rlcreate *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_qid(ctx, &val->qid) - || marshal_4(ctx, &val->iounit) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 15; false; }) - ; +static bool marshal_Tsread(struct _marshal_ctx *ctx, struct lib9p_msg_Tsread *val) { + uint64_t needed_size = 13; + for (uint16_t i = 0; i < val->nwname; i++) { + needed_size += 2 + val->wname[i].len; + } + if (needed_size > (uint64_t)(ctx->ctx->max_msg_size)) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Tsread", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = (uint32_t)needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 152); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->fid); + MARSHAL_U16LE(ctx, val->nwname); + for (uint16_t i = 0; i < val->nwname; i++) { + MARSHAL_U16LE(ctx, val->wname[i].len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->wname[i].utf8, val->wname[i].len); + } + return false; } -LM_FLATTEN static bool marshal_Rsymlink(struct _marshal_ctx *ctx, struct lib9p_msg_Rsymlink *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_qid(ctx, &val->qid) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 17; false; }) - ; +static bool marshal_Rsread(struct _marshal_ctx *ctx, struct lib9p_msg_Rsread *val) { + uint64_t needed_size = 11 + val->count; + if (needed_size > (uint64_t)(ctx->ctx->max_msg_size)) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rsread", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = (uint32_t)needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 153); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->count); + MARSHAL_BYTES_ZEROCOPY(ctx, val->data, val->count); + return false; } -LM_FLATTEN static bool marshal_Rmknod(struct _marshal_ctx *ctx, struct lib9p_msg_Rmknod *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_qid(ctx, &val->qid) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 19; false; }) - ; +static bool marshal_Tswrite(struct _marshal_ctx *ctx, struct lib9p_msg_Tswrite *val) { + uint64_t needed_size = 17 + val->count; + for (uint16_t i = 0; i < val->nwname; i++) { + needed_size += 2 + val->wname[i].len; + } + if (needed_size > (uint64_t)(ctx->ctx->max_msg_size)) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Tswrite", + ctx->ctx->version ? "negotiated" : "client", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = (uint32_t)needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 154); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->fid); + MARSHAL_U16LE(ctx, val->nwname); + for (uint16_t i = 0; i < val->nwname; i++) { + MARSHAL_U16LE(ctx, val->wname[i].len); + MARSHAL_BYTES_ZEROCOPY(ctx, val->wname[i].utf8, val->wname[i].len); + } + MARSHAL_U32LE(ctx, val->count); + MARSHAL_BYTES_ZEROCOPY(ctx, val->data, val->count); + return false; } -LM_FLATTEN static bool marshal_Rgetattr(struct _marshal_ctx *ctx, struct lib9p_msg_Rgetattr *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_8(ctx, &val->valid) - || marshal_qid(ctx, &val->qid) - || marshal_4(ctx, &val->mode) - || marshal_nuid(ctx, &val->uid) - || marshal_nuid(ctx, &val->gid) - || marshal_8(ctx, &val->nlink) - || marshal_8(ctx, &val->rdev) - || marshal_8(ctx, &val->filesize) - || marshal_8(ctx, &val->blksize) - || marshal_8(ctx, &val->blocks) - || marshal_8(ctx, &val->atime_sec) - || marshal_8(ctx, &val->atime_nsec) - || marshal_8(ctx, &val->mtime_sec) - || marshal_8(ctx, &val->mtime_nsec) - || marshal_8(ctx, &val->ctime_sec) - || marshal_8(ctx, &val->ctime_nsec) - || marshal_8(ctx, &val->btime_sec) - || marshal_8(ctx, &val->btime_nsec) - || marshal_8(ctx, &val->gen) - || marshal_8(ctx, &val->data_version) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 25; false; }) - ; +static bool marshal_Rswrite(struct _marshal_ctx *ctx, struct lib9p_msg_Rswrite *val) { + uint32_t needed_size = 11; + if (needed_size > ctx->ctx->max_msg_size) { + lib9p_errorf(ctx->ctx, LINUX_ERANGE, "%s message too large to marshal into %s limit (limit=%PRIu32)", + "Rswrite", + ctx->ctx->version ? "negotiated" : "server", + ctx->ctx->max_msg_size); + return true; + } + uint32_t offsetof_end = needed_size; + uint32_t offsetof_size = 0; + MARSHAL_U32LE(ctx, offsetof_end - offsetof_size); + MARSHAL_U8LE(ctx, 155); + MARSHAL_U16LE(ctx, val->tag); + MARSHAL_U32LE(ctx, val->count); + return false; } +#endif /* CONFIG_9P_ENABLE_9P2000_e */ -LM_FLATTEN static bool marshal_Rmkdir(struct _marshal_ctx *ctx, struct lib9p_msg_Rmkdir *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_qid(ctx, &val->qid) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 73; false; }) - ; -} +/* function tables ************************************************************/ +const uint32_t _lib9p_table_msg_min_size[LIB9P_VER_NUM] = { + [LIB9P_VER_unknown] = 9, +#if CONFIG_9P_ENABLE_9P2000 + [LIB9P_VER_9P2000] = 9, +#endif /* CONFIG_9P_ENABLE_9P2000 */ +#if CONFIG_9P_ENABLE_9P2000_L + [LIB9P_VER_9P2000_L] = 9, #endif /* CONFIG_9P_ENABLE_9P2000_L */ -#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u -LM_FLATTEN static bool marshal_Rstat(struct _marshal_ctx *ctx, struct lib9p_msg_Rstat *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - uint32_t _nstat_offset; - uint32_t _stat_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || ({ _nstat_offset = ctx->net_offset; ({ ctx->net_offset += 2; false; }); }) - || ({ _stat_offset = ctx->net_offset; marshal_stat(ctx, &val->stat); }) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 125; false; }) - || ({ uint16le_encode(&ctx->net_bytes[_nstat_offset], ctx->net_offset - _stat_offset); false; }) - ; -} - -LM_FLATTEN static bool marshal_Twstat(struct _marshal_ctx *ctx, struct lib9p_msg_Twstat *val) { - uint32_t _size_offset; - uint32_t _typ_offset; - uint32_t _nstat_offset; - uint32_t _stat_offset; - return false - || ({ _size_offset = ctx->net_offset; ({ ctx->net_offset += 4; false; }); }) - || ({ _typ_offset = ctx->net_offset; ({ ctx->net_offset += 1; false; }); }) - || marshal_tag(ctx, &val->tag) - || marshal_fid(ctx, &val->fid) - || ({ _nstat_offset = ctx->net_offset; ({ ctx->net_offset += 2; false; }); }) - || ({ _stat_offset = ctx->net_offset; marshal_stat(ctx, &val->stat); }) - || ({ uint32le_encode(&ctx->net_bytes[_size_offset], ctx->net_offset - _size_offset); false; }) - || ({ ctx->net_bytes[_typ_offset] = 126; false; }) - || ({ uint16le_encode(&ctx->net_bytes[_nstat_offset], ctx->net_offset - _stat_offset); false; }) - ; -} -#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */ - -/* function tables ************************************************************/ +#if CONFIG_9P_ENABLE_9P2000_e + [LIB9P_VER_9P2000_e] = 9, +#endif /* CONFIG_9P_ENABLE_9P2000_e */ +#if CONFIG_9P_ENABLE_9P2000_p9p + [LIB9P_VER_9P2000_p9p] = 9, +#endif /* CONFIG_9P_ENABLE_9P2000_p9p */ +#if CONFIG_9P_ENABLE_9P2000_u + [LIB9P_VER_9P2000_u] = 13, +#endif /* CONFIG_9P_ENABLE_9P2000_u */ +}; #define _MSG_RECV(typ) [LIB9P_TYP_##typ/2] = { \ .basesize = sizeof(struct lib9p_msg_##typ), \ |