diff options
Diffstat (limited to 'src/expr/byteorder.c')
| -rw-r--r-- | src/expr/byteorder.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/src/expr/byteorder.c b/src/expr/byteorder.c index 89ed0a8..383e80d 100644 --- a/src/expr/byteorder.c +++ b/src/expr/byteorder.c @@ -37,22 +37,20 @@ nftnl_expr_byteorder_set(struct nftnl_expr *e, uint16_t type, switch(type) { case NFTNL_EXPR_BYTEORDER_SREG: - memcpy(&byteorder->sreg, data, sizeof(byteorder->sreg)); + memcpy(&byteorder->sreg, data, data_len); break; case NFTNL_EXPR_BYTEORDER_DREG: - memcpy(&byteorder->dreg, data, sizeof(byteorder->dreg)); + memcpy(&byteorder->dreg, data, data_len); break; case NFTNL_EXPR_BYTEORDER_OP: - memcpy(&byteorder->op, data, sizeof(byteorder->op)); + memcpy(&byteorder->op, data, data_len); break; case NFTNL_EXPR_BYTEORDER_LEN: - memcpy(&byteorder->len, data, sizeof(byteorder->len)); + memcpy(&byteorder->len, data, data_len); break; case NFTNL_EXPR_BYTEORDER_SIZE: - memcpy(&byteorder->size, data, sizeof(byteorder->size)); + memcpy(&byteorder->size, data, data_len); break; - default: - return -1; } return 0; } @@ -212,10 +210,19 @@ nftnl_expr_byteorder_snprintf(char *buf, size_t remain, return offset; } +static struct attr_policy byteorder_attr_policy[__NFTNL_EXPR_BYTEORDER_MAX] = { + [NFTNL_EXPR_BYTEORDER_DREG] = { .maxlen = sizeof(uint32_t) }, + [NFTNL_EXPR_BYTEORDER_SREG] = { .maxlen = sizeof(uint32_t) }, + [NFTNL_EXPR_BYTEORDER_OP] = { .maxlen = sizeof(uint32_t) }, + [NFTNL_EXPR_BYTEORDER_LEN] = { .maxlen = sizeof(uint32_t) }, + [NFTNL_EXPR_BYTEORDER_SIZE] = { .maxlen = sizeof(uint32_t) }, +}; + struct expr_ops expr_ops_byteorder = { .name = "byteorder", .alloc_len = sizeof(struct nftnl_expr_byteorder), - .max_attr = NFTA_BYTEORDER_MAX, + .nftnl_max_attr = __NFTNL_EXPR_BYTEORDER_MAX - 1, + .attr_policy = byteorder_attr_policy, .set = nftnl_expr_byteorder_set, .get = nftnl_expr_byteorder_get, .parse = nftnl_expr_byteorder_parse, |