We can remove alloc_nftnl_obj() and consolidate infrastructure in the src/mnl.c file. Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> --- In preparation for fine grain error reporting. include/mnl.h | 7 ++-- include/netlink.h | 4 -- src/mnl.c | 107 +++++++++++++++++++++++++++++++++++++++++++++-------- src/netlink.c | 108 ------------------------------------------------------ src/rule.c | 15 ++++---- 5 files changed, 101 insertions(+), 140 deletions(-) diff --git a/include/mnl.h b/include/mnl.h index 676030e6c4c6..457dd2ed1b9c 100644 --- a/include/mnl.h +++ b/include/mnl.h @@ -70,10 +70,9 @@ struct nftnl_obj_list *mnl_nft_obj_dump(struct netlink_ctx *ctx, int family, const char *table, const char *name, uint32_t type, bool dump, bool reset); -int mnl_nft_obj_batch_add(struct nftnl_obj *nln, struct nftnl_batch *batch, - unsigned int flags, uint32_t seqnum); -int mnl_nft_obj_batch_del(struct nftnl_obj *nln, struct nftnl_batch *batch, - unsigned int flags, uint32_t seqnum); +int mnl_nft_obj_add(struct netlink_ctx *ctx, const struct cmd *cmd, + unsigned int flags); +int mnl_nft_obj_del(struct netlink_ctx *ctx, const struct cmd *cmd, int type); struct nftnl_flowtable_list * mnl_nft_flowtable_dump(struct netlink_ctx *ctx, int family, const char *table); diff --git a/include/netlink.h b/include/netlink.h index af9313d51453..b82ca7272fb9 100644 --- a/include/netlink.h +++ b/include/netlink.h @@ -131,10 +131,6 @@ extern int netlink_delinearize_setelem(struct nftnl_set_elem *nlse, extern int netlink_list_objs(struct netlink_ctx *ctx, const struct handle *h); extern int netlink_reset_objs(struct netlink_ctx *ctx, const struct cmd *cmd, uint32_t type, bool dump); -extern int netlink_add_obj(struct netlink_ctx *ctx, const struct cmd *cmd, - uint32_t flags); -extern int netlink_delete_obj(struct netlink_ctx *ctx, const struct cmd *cmd, - uint32_t type); extern struct obj *netlink_delinearize_obj(struct netlink_ctx *ctx, struct nftnl_obj *nlo); diff --git a/src/mnl.c b/src/mnl.c index 84727094e27e..d3129fda2b89 100644 --- a/src/mnl.c +++ b/src/mnl.c @@ -902,32 +902,107 @@ err: return NULL; } -int mnl_nft_obj_batch_add(struct nftnl_obj *nln, struct nftnl_batch *batch, - unsigned int flags, uint32_t seqnum) +int mnl_nft_obj_add(struct netlink_ctx *ctx, const struct cmd *cmd, + unsigned int flags) { + struct obj *obj = cmd->object; + struct nftnl_obj *nlo; struct nlmsghdr *nlh; - nlh = nftnl_nlmsg_build_hdr(nftnl_batch_buffer(batch), - NFT_MSG_NEWOBJ, - nftnl_obj_get_u32(nln, NFTNL_OBJ_FAMILY), - NLM_F_CREATE | flags, seqnum); - nftnl_obj_nlmsg_build_payload(nlh, nln); - mnl_nft_batch_continue(batch); + nlo = nftnl_obj_alloc(); + if (!nlo) + memory_allocation_error(); + + nftnl_obj_set_u32(nlo, NFTNL_OBJ_FAMILY, cmd->handle.family); + nftnl_obj_set_str(nlo, NFTNL_OBJ_TABLE, cmd->handle.table.name); + nftnl_obj_set_str(nlo, NFTNL_OBJ_NAME, cmd->handle.obj.name); + nftnl_obj_set_u32(nlo, NFTNL_OBJ_TYPE, obj->type); + + switch (obj->type) { + case NFT_OBJECT_COUNTER: + nftnl_obj_set_u64(nlo, NFTNL_OBJ_CTR_PKTS, + obj->counter.packets); + nftnl_obj_set_u64(nlo, NFTNL_OBJ_CTR_BYTES, + obj->counter.bytes); + break; + case NFT_OBJECT_QUOTA: + nftnl_obj_set_u64(nlo, NFTNL_OBJ_QUOTA_BYTES, + obj->quota.bytes); + nftnl_obj_set_u64(nlo, NFTNL_OBJ_QUOTA_CONSUMED, + obj->quota.used); + nftnl_obj_set_u32(nlo, NFTNL_OBJ_QUOTA_FLAGS, + obj->quota.flags); + break; + case NFT_OBJECT_LIMIT: + nftnl_obj_set_u64(nlo, NFTNL_OBJ_LIMIT_RATE, obj->limit.rate); + nftnl_obj_set_u64(nlo, NFTNL_OBJ_LIMIT_UNIT, obj->limit.unit); + nftnl_obj_set_u32(nlo, NFTNL_OBJ_LIMIT_BURST, obj->limit.burst); + nftnl_obj_set_u32(nlo, NFTNL_OBJ_LIMIT_TYPE, obj->limit.type); + nftnl_obj_set_u32(nlo, NFTNL_OBJ_LIMIT_FLAGS, obj->limit.flags); + break; + case NFT_OBJECT_CT_HELPER: + nftnl_obj_set_str(nlo, NFTNL_OBJ_CT_HELPER_NAME, + obj->ct_helper.name); + nftnl_obj_set_u8(nlo, NFTNL_OBJ_CT_HELPER_L4PROTO, + obj->ct_helper.l4proto); + if (obj->ct_helper.l3proto) + nftnl_obj_set_u16(nlo, NFTNL_OBJ_CT_HELPER_L3PROTO, + obj->ct_helper.l3proto); + break; + case NFT_OBJECT_CT_TIMEOUT: + nftnl_obj_set_u8(nlo, NFTNL_OBJ_CT_TIMEOUT_L4PROTO, + obj->ct_timeout.l4proto); + if (obj->ct_timeout.l3proto) + nftnl_obj_set_u16(nlo, NFTNL_OBJ_CT_TIMEOUT_L3PROTO, + obj->ct_timeout.l3proto); + nftnl_obj_set(nlo, NFTNL_OBJ_CT_TIMEOUT_ARRAY, + obj->ct_timeout.timeout); + break; + case NFT_OBJECT_SECMARK: + nftnl_obj_set_str(nlo, NFTNL_OBJ_SECMARK_CTX, + obj->secmark.ctx); + break; + default: + BUG("Unknown type %d\n", obj->type); + break; + } + netlink_dump_obj(nlo, ctx); + + nlh = nftnl_nlmsg_build_hdr(nftnl_batch_buffer(ctx->batch), + NFT_MSG_NEWOBJ, cmd->handle.family, + NLM_F_CREATE | flags, ctx->seqnum); + nftnl_obj_nlmsg_build_payload(nlh, nlo); + nftnl_obj_free(nlo); + + mnl_nft_batch_continue(ctx->batch); return 0; } -int mnl_nft_obj_batch_del(struct nftnl_obj *nln, struct nftnl_batch *batch, - unsigned int flags, uint32_t seqnum) +int mnl_nft_obj_del(struct netlink_ctx *ctx, const struct cmd *cmd, int type) { + struct nftnl_obj *nlo; struct nlmsghdr *nlh; - nlh = nftnl_nlmsg_build_hdr(nftnl_batch_buffer(batch), - NFT_MSG_DELOBJ, - nftnl_obj_get_u32(nln, NFTNL_OBJ_FAMILY), - flags, seqnum); - nftnl_obj_nlmsg_build_payload(nlh, nln); - mnl_nft_batch_continue(batch); + nlo = nftnl_obj_alloc(); + if (!nlo) + memory_allocation_error(); + + nftnl_obj_set_u32(nlo, NFTNL_OBJ_FAMILY, cmd->handle.family); + nftnl_obj_set_str(nlo, NFTNL_OBJ_TABLE, cmd->handle.table.name); + nftnl_obj_set_u32(nlo, NFTNL_OBJ_TYPE, type); + if (cmd->handle.obj.name) + nftnl_obj_set_str(nlo, NFTNL_OBJ_NAME, cmd->handle.obj.name); + else if (cmd->handle.handle.id) + nftnl_obj_set_u64(nlo, NFTNL_OBJ_HANDLE, cmd->handle.handle.id); + + nlh = nftnl_nlmsg_build_hdr(nftnl_batch_buffer(ctx->batch), + NFT_MSG_DELOBJ, cmd->handle.family, + 0, ctx->seqnum); + nftnl_obj_nlmsg_build_payload(nlh, nlo); + nftnl_obj_free(nlo); + + mnl_nft_batch_continue(ctx->batch); return 0; } diff --git a/src/netlink.c b/src/netlink.c index 8eb2ccad2f8c..97e8ebaeb75e 100644 --- a/src/netlink.c +++ b/src/netlink.c @@ -175,84 +175,6 @@ static struct nftnl_set_elem *alloc_nftnl_setelem(const struct expr *set, return nlse; } -static struct nftnl_obj * -__alloc_nftnl_obj(const struct handle *h, uint32_t type) -{ - struct nftnl_obj *nlo; - - nlo = nftnl_obj_alloc(); - if (nlo == NULL) - memory_allocation_error(); - - nftnl_obj_set_u32(nlo, NFTNL_OBJ_FAMILY, h->family); - nftnl_obj_set_str(nlo, NFTNL_OBJ_TABLE, h->table.name); - if (h->obj.name != NULL) - nftnl_obj_set_str(nlo, NFTNL_OBJ_NAME, h->obj.name); - - nftnl_obj_set_u32(nlo, NFTNL_OBJ_TYPE, type); - if (h->handle.id) - nftnl_obj_set_u64(nlo, NFTNL_OBJ_HANDLE, h->handle.id); - - return nlo; -} - -static struct nftnl_obj * -alloc_nftnl_obj(const struct handle *h, struct obj *obj) -{ - struct nftnl_obj *nlo; - - nlo = __alloc_nftnl_obj(h, obj->type); - - switch (obj->type) { - case NFT_OBJECT_COUNTER: - nftnl_obj_set_u64(nlo, NFTNL_OBJ_CTR_PKTS, - obj->counter.packets); - nftnl_obj_set_u64(nlo, NFTNL_OBJ_CTR_BYTES, - obj->counter.bytes); - break; - case NFT_OBJECT_QUOTA: - nftnl_obj_set_u64(nlo, NFTNL_OBJ_QUOTA_BYTES, - obj->quota.bytes); - nftnl_obj_set_u64(nlo, NFTNL_OBJ_QUOTA_CONSUMED, - obj->quota.used); - nftnl_obj_set_u32(nlo, NFTNL_OBJ_QUOTA_FLAGS, - obj->quota.flags); - break; - case NFT_OBJECT_SECMARK: - nftnl_obj_set_str(nlo, NFTNL_OBJ_SECMARK_CTX, - obj->secmark.ctx); - break; - case NFT_OBJECT_CT_HELPER: - nftnl_obj_set_str(nlo, NFTNL_OBJ_CT_HELPER_NAME, - obj->ct_helper.name); - nftnl_obj_set_u8(nlo, NFTNL_OBJ_CT_HELPER_L4PROTO, - obj->ct_helper.l4proto); - if (obj->ct_helper.l3proto) - nftnl_obj_set_u16(nlo, NFTNL_OBJ_CT_HELPER_L3PROTO, - obj->ct_helper.l3proto); - break; - case NFT_OBJECT_CT_TIMEOUT: - nftnl_obj_set_u8(nlo, NFTNL_OBJ_CT_TIMEOUT_L4PROTO, - obj->ct_timeout.l4proto); - if (obj->ct_timeout.l3proto) - nftnl_obj_set_u16(nlo, NFTNL_OBJ_CT_TIMEOUT_L3PROTO, - obj->ct_timeout.l3proto); - nftnl_obj_set(nlo, NFTNL_OBJ_CT_TIMEOUT_ARRAY, obj->ct_timeout.timeout); - break; - case NFT_OBJECT_LIMIT: - nftnl_obj_set_u64(nlo, NFTNL_OBJ_LIMIT_RATE, obj->limit.rate); - nftnl_obj_set_u64(nlo, NFTNL_OBJ_LIMIT_UNIT, obj->limit.unit); - nftnl_obj_set_u32(nlo, NFTNL_OBJ_LIMIT_BURST, obj->limit.burst); - nftnl_obj_set_u32(nlo, NFTNL_OBJ_LIMIT_TYPE, obj->limit.type); - nftnl_obj_set_u32(nlo, NFTNL_OBJ_LIMIT_FLAGS, obj->limit.flags); - break; - default: - BUG("Unknown type %d\n", obj->type); - break; - } - return nlo; -} - void netlink_gen_raw_data(const mpz_t value, enum byteorder byteorder, unsigned int len, struct nft_data_linearize *data) { @@ -1006,36 +928,6 @@ void netlink_dump_obj(struct nftnl_obj *nln, struct netlink_ctx *ctx) fprintf(fp, "\n"); } -int netlink_add_obj(struct netlink_ctx *ctx, const struct cmd *cmd, - uint32_t flags) -{ - struct nftnl_obj *nlo; - int err; - - nlo = alloc_nftnl_obj(&cmd->handle, cmd->object); - netlink_dump_obj(nlo, ctx); - - err = mnl_nft_obj_batch_add(nlo, ctx->batch, flags, ctx->seqnum); - nftnl_obj_free(nlo); - - return err; -} - -int netlink_delete_obj(struct netlink_ctx *ctx, const struct cmd *cmd, - uint32_t type) -{ - struct nftnl_obj *nlo; - int err; - - nlo = __alloc_nftnl_obj(&cmd->handle, type); - netlink_dump_obj(nlo, ctx); - - err = mnl_nft_obj_batch_del(nlo, ctx->batch, 0, ctx->seqnum); - nftnl_obj_free(nlo); - - return err; -} - struct obj *netlink_delinearize_obj(struct netlink_ctx *ctx, struct nftnl_obj *nlo) { diff --git a/src/rule.c b/src/rule.c index 9087fd2bd193..718987dc3edf 100644 --- a/src/rule.c +++ b/src/rule.c @@ -1415,7 +1415,7 @@ static int do_command_add(struct netlink_ctx *ctx, struct cmd *cmd, bool excl) case CMD_OBJ_CT_TIMEOUT: case CMD_OBJ_LIMIT: case CMD_OBJ_SECMARK: - return netlink_add_obj(ctx, cmd, flags); + return mnl_nft_obj_add(ctx, cmd, flags); case CMD_OBJ_FLOWTABLE: return netlink_add_flowtable(ctx, cmd, flags); default: @@ -1493,18 +1493,17 @@ static int do_command_delete(struct netlink_ctx *ctx, struct cmd *cmd) case CMD_OBJ_SETELEM: return do_delete_setelems(ctx, cmd); case CMD_OBJ_COUNTER: - return netlink_delete_obj(ctx, cmd, NFT_OBJECT_COUNTER); + return mnl_nft_obj_del(ctx, cmd, NFT_OBJECT_COUNTER); case CMD_OBJ_QUOTA: - return netlink_delete_obj(ctx, cmd, NFT_OBJECT_QUOTA); + return mnl_nft_obj_del(ctx, cmd, NFT_OBJECT_QUOTA); case CMD_OBJ_CT_HELPER: - return netlink_delete_obj(ctx, cmd, NFT_OBJECT_CT_HELPER); + return mnl_nft_obj_del(ctx, cmd, NFT_OBJECT_CT_HELPER); case CMD_OBJ_CT_TIMEOUT: - return netlink_delete_obj(ctx, cmd, - NFT_OBJECT_CT_TIMEOUT); + return mnl_nft_obj_del(ctx, cmd, NFT_OBJECT_CT_TIMEOUT); case CMD_OBJ_LIMIT: - return netlink_delete_obj(ctx, cmd, NFT_OBJECT_LIMIT); + return mnl_nft_obj_del(ctx, cmd, NFT_OBJECT_LIMIT); case CMD_OBJ_SECMARK: - return netlink_delete_obj(ctx, cmd, NFT_OBJECT_SECMARK); + return mnl_nft_obj_del(ctx, cmd, NFT_OBJECT_SECMARK); case CMD_OBJ_FLOWTABLE: return netlink_delete_flowtable(ctx, cmd); default: -- 2.11.0