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#include <erec.h>
#include <mnl.h>
#include <cmd.h>
#include <parser.h>
#include <utils.h>
#include <iface.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
static int nft_cmd_enoent_table(struct netlink_ctx *ctx, const struct cmd *cmd,
struct location *loc)
{
struct table *table;
table = table_lookup_fuzzy(&cmd->handle, &ctx->nft->cache);
if (!table)
return 0;
netlink_io_error(ctx, loc, "%s; did you mean table ‘%s’ in family %s?",
strerror(ENOENT), table->handle.table.name,
family2str(table->handle.family));
return 1;
}
static int nft_cmd_enoent_chain(struct netlink_ctx *ctx, const struct cmd *cmd,
struct location *loc)
{
const struct table *table;
struct chain *chain;
chain = chain_lookup_fuzzy(&cmd->handle, &ctx->nft->cache, &table);
if (!chain)
return 0;
netlink_io_error(ctx, loc, "%s; did you mean table ‘%s’ in family %s?",
strerror(ENOENT), chain->handle.chain.name,
family2str(table->handle.family),
table->handle.table.name);
return 1;
}
static int nft_cmd_enoent_set(struct netlink_ctx *ctx, const struct cmd *cmd,
struct location *loc)
{
const struct table *table;
struct set *set;
set = set_lookup_fuzzy(cmd->handle.set.name, &ctx->nft->cache, &table);
if (!set)
return 0;
netlink_io_error(ctx, loc, "%s; did you mean %s ‘%s’ in table %s ‘%s’?",
strerror(ENOENT),
set_is_map(set->flags) ? "map" : "set",
set->handle.set.name,
family2str(set->handle.family),
table->handle.table.name);
return 1;
}
static int nft_cmd_enoent_obj(struct netlink_ctx *ctx, const struct cmd *cmd,
struct location *loc)
{
const struct table *table;
struct obj *obj;
obj = obj_lookup_fuzzy(cmd->handle.obj.name, &ctx->nft->cache, &table);
if (!obj)
return 0;
netlink_io_error(ctx, loc, "%s; did you mean obj ‘%s’ in table %s ‘%s’?",
strerror(ENOENT), obj->handle.obj.name,
family2str(obj->handle.family),
table->handle.table.name);
return 1;
}
static int nft_cmd_enoent_flowtable(struct netlink_ctx *ctx,
const struct cmd *cmd, struct location *loc)
{
const struct table *table;
struct flowtable *ft;
ft = flowtable_lookup_fuzzy(cmd->handle.flowtable.name,
&ctx->nft->cache, &table);
if (!ft)
return 0;
netlink_io_error(ctx, loc, "%s; did you mean flowtable ‘%s’ in table %s ‘%s’?",
strerror(ENOENT), ft->handle.flowtable.name,
family2str(ft->handle.family),
table->handle.table.name);
return 1;
}
static void nft_cmd_enoent(struct netlink_ctx *ctx, const struct cmd *cmd,
struct location *loc, int err)
{
int ret = 0;
switch (cmd->obj) {
case CMD_OBJ_TABLE:
ret = nft_cmd_enoent_table(ctx, cmd, loc);
break;
case CMD_OBJ_CHAIN:
ret = nft_cmd_enoent_chain(ctx, cmd, loc);
break;
case CMD_OBJ_SET:
ret = nft_cmd_enoent_set(ctx, cmd, loc);
break;
case CMD_OBJ_COUNTER:
case CMD_OBJ_QUOTA:
case CMD_OBJ_CT_HELPER:
case CMD_OBJ_CT_TIMEOUT:
case CMD_OBJ_LIMIT:
case CMD_OBJ_SECMARK:
case CMD_OBJ_CT_EXPECT:
case CMD_OBJ_SYNPROXY:
ret = nft_cmd_enoent_obj(ctx, cmd, loc);
break;
case CMD_OBJ_FLOWTABLE:
ret = nft_cmd_enoent_flowtable(ctx, cmd, loc);
break;
default:
break;
}
if (ret)
return;
netlink_io_error(ctx, loc, "Could not process rule: %s", strerror(err));
}
void nft_cmd_error(struct netlink_ctx *ctx, struct cmd *cmd,
struct mnl_err *err)
{
struct location *loc = NULL;
int i;
for (i = 0; i < cmd->num_attrs; i++) {
if (!cmd->attr[i].offset)
break;
if (cmd->attr[i].offset == err->offset)
loc = cmd->attr[i].location;
}
if (loc) {
if (err->err == ENOENT) {
nft_cmd_enoent(ctx, cmd, loc, err->err);
return;
}
} else {
loc = &cmd->location;
}
netlink_io_error(ctx, loc, "Could not process rule: %s",
strerror(err->err));
}
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