diff options
Diffstat (limited to 'src/expr/payload.c')
| -rw-r--r-- | src/expr/payload.c | 54 |
1 files changed, 26 insertions, 28 deletions
diff --git a/src/expr/payload.c b/src/expr/payload.c index 9ccb78e..35cd10c 100644 --- a/src/expr/payload.c +++ b/src/expr/payload.c @@ -43,31 +43,29 @@ nftnl_expr_payload_set(struct nftnl_expr *e, uint16_t type, switch(type) { case NFTNL_EXPR_PAYLOAD_SREG: - memcpy(&payload->sreg, data, sizeof(payload->sreg)); + memcpy(&payload->sreg, data, data_len); break; case NFTNL_EXPR_PAYLOAD_DREG: - memcpy(&payload->dreg, data, sizeof(payload->dreg)); + memcpy(&payload->dreg, data, data_len); break; case NFTNL_EXPR_PAYLOAD_BASE: - memcpy(&payload->base, data, sizeof(payload->base)); + memcpy(&payload->base, data, data_len); break; case NFTNL_EXPR_PAYLOAD_OFFSET: - memcpy(&payload->offset, data, sizeof(payload->offset)); + memcpy(&payload->offset, data, data_len); break; case NFTNL_EXPR_PAYLOAD_LEN: - memcpy(&payload->len, data, sizeof(payload->len)); + memcpy(&payload->len, data, data_len); break; case NFTNL_EXPR_PAYLOAD_CSUM_TYPE: - memcpy(&payload->csum_type, data, sizeof(payload->csum_type)); + memcpy(&payload->csum_type, data, data_len); break; case NFTNL_EXPR_PAYLOAD_CSUM_OFFSET: - memcpy(&payload->csum_offset, data, sizeof(payload->csum_offset)); + memcpy(&payload->csum_offset, data, data_len); break; case NFTNL_EXPR_PAYLOAD_FLAGS: - memcpy(&payload->csum_flags, data, sizeof(payload->csum_flags)); + memcpy(&payload->csum_flags, data, data_len); break; - default: - return -1; } return 0; } @@ -203,34 +201,22 @@ nftnl_expr_payload_parse(struct nftnl_expr *e, struct nlattr *attr) return 0; } -static const char *base2str_array[NFT_PAYLOAD_TRANSPORT_HEADER+1] = { +static const char *base2str_array[NFT_PAYLOAD_TUN_HEADER + 1] = { [NFT_PAYLOAD_LL_HEADER] = "link", [NFT_PAYLOAD_NETWORK_HEADER] = "network", [NFT_PAYLOAD_TRANSPORT_HEADER] = "transport", + [NFT_PAYLOAD_INNER_HEADER] = "inner", + [NFT_PAYLOAD_TUN_HEADER] = "tunnel", }; static const char *base2str(enum nft_payload_bases base) { - if (base > NFT_PAYLOAD_TRANSPORT_HEADER) + if (base > NFT_PAYLOAD_INNER_HEADER) return "unknown"; return base2str_array[base]; } -static inline int nftnl_str2base(const char *base) -{ - if (strcmp(base, "link") == 0) - return NFT_PAYLOAD_LL_HEADER; - else if (strcmp(base, "network") == 0) - return NFT_PAYLOAD_NETWORK_HEADER; - else if (strcmp(base, "transport") == 0) - return NFT_PAYLOAD_TRANSPORT_HEADER; - else { - errno = EINVAL; - return -1; - } -} - static int nftnl_expr_payload_snprintf(char *buf, size_t len, uint32_t flags, const struct nftnl_expr *e) @@ -250,13 +236,25 @@ nftnl_expr_payload_snprintf(char *buf, size_t len, payload->offset, payload->dreg); } +static struct attr_policy payload_attr_policy[__NFTNL_EXPR_PAYLOAD_MAX] = { + [NFTNL_EXPR_PAYLOAD_DREG] = { .maxlen = sizeof(uint32_t) }, + [NFTNL_EXPR_PAYLOAD_BASE] = { .maxlen = sizeof(uint32_t) }, + [NFTNL_EXPR_PAYLOAD_OFFSET] = { .maxlen = sizeof(uint32_t) }, + [NFTNL_EXPR_PAYLOAD_LEN] = { .maxlen = sizeof(uint32_t) }, + [NFTNL_EXPR_PAYLOAD_SREG] = { .maxlen = sizeof(uint32_t) }, + [NFTNL_EXPR_PAYLOAD_CSUM_TYPE] = { .maxlen = sizeof(uint32_t) }, + [NFTNL_EXPR_PAYLOAD_CSUM_OFFSET] = { .maxlen = sizeof(uint32_t) }, + [NFTNL_EXPR_PAYLOAD_FLAGS] = { .maxlen = sizeof(uint32_t) }, +}; + struct expr_ops expr_ops_payload = { .name = "payload", .alloc_len = sizeof(struct nftnl_expr_payload), - .max_attr = NFTA_PAYLOAD_MAX, + .nftnl_max_attr = __NFTNL_EXPR_PAYLOAD_MAX - 1, + .attr_policy = payload_attr_policy, .set = nftnl_expr_payload_set, .get = nftnl_expr_payload_get, .parse = nftnl_expr_payload_parse, .build = nftnl_expr_payload_build, - .snprintf = nftnl_expr_payload_snprintf, + .output = nftnl_expr_payload_snprintf, }; |