Reject maps and sets of the same name: BUG: invalid range expression type catch-all set element nft: src/expression.c:1704: range_expr_value_low: Assertion `0' failed. After: Error: Cannot merge set with existing datamap of same name set z { ^ v2: Pablo points out that we shouldn't merge datamaps (plain value) and objref maps either, catch this too and add another test: nft --check -f invalid_transcation_merge_map_and_objref_map invalid_transcation_merge_map_and_objref_map:9:13-13: Error: Cannot merge objmap with existing datamap of same name Signed-off-by: Florian Westphal <fw@xxxxxxxxx> --- src/evaluate.c | 34 +++++++++++++++++-- ...pression_type_catch-all_set_element_assert | 18 ++++++++++ ...valid_transcation_merge_map_and_objref_map | 13 +++++++ 3 files changed, 63 insertions(+), 2 deletions(-) create mode 100644 tests/shell/testcases/bogons/nft-f/invalid_range_expression_type_catch-all_set_element_assert create mode 100644 tests/shell/testcases/bogons/nft-f/invalid_transcation_merge_map_and_objref_map diff --git a/src/evaluate.c b/src/evaluate.c index 783a373b6268..3c091748f786 100644 --- a/src/evaluate.c +++ b/src/evaluate.c @@ -5149,6 +5149,29 @@ static int elems_evaluate(struct eval_ctx *ctx, struct set *set) return 0; } +static const char *set_type_str(const struct set *set) +{ + if (set_is_datamap(set->flags)) + return "datamap"; + + if (set_is_objmap(set->flags)) + return "objmap"; + + return "set"; +} + +static bool set_type_compatible(const struct set *set, const struct set *existing_set) +{ + if (set_is_datamap(set->flags)) + return set_is_datamap(existing_set->flags); + + if (set_is_objmap(set->flags)) + return set_is_objmap(existing_set->flags); + + assert(!set_is_map(set->flags)); + return !set_is_map(existing_set->flags); +} + static int set_evaluate(struct eval_ctx *ctx, struct set *set) { struct set *existing_set = NULL; @@ -5272,8 +5295,15 @@ static int set_evaluate(struct eval_ctx *ctx, struct set *set) return 0; } - if (existing_set && set_is_interval(set->flags) && !set_is_interval(existing_set->flags)) - return set_error(ctx, set, "existing %s lacks interval flag", type); + + if (existing_set) { + if (set_is_interval(set->flags) && !set_is_interval(existing_set->flags)) + return set_error(ctx, set, + "existing %s lacks interval flag", type); + if (!set_type_compatible(set, existing_set)) + return set_error(ctx, set, "Cannot merge %s with existing %s of same name", + set_type_str(set), set_type_str(existing_set)); + } set->existing_set = existing_set; diff --git a/tests/shell/testcases/bogons/nft-f/invalid_range_expression_type_catch-all_set_element_assert b/tests/shell/testcases/bogons/nft-f/invalid_range_expression_type_catch-all_set_element_assert new file mode 100644 index 000000000000..3660ac3fda9c --- /dev/null +++ b/tests/shell/testcases/bogons/nft-f/invalid_range_expression_type_catch-all_set_element_assert @@ -0,0 +1,18 @@ +table ip x { + map z { + type ipv4_addr : ipv4_addr + flags interval + elements = { 10.0.0.2, * : 192.168.0.4 } + } + + set z { + type ipv4_addr + flags interval + counter + elements = { 1.1.1.0/24 counter packets 0 bytes 0, + * counter packets 0 bytes 0packets 0 bytes ipv4_addr } + flags interval + auto-merge + elements = { 1.1.1.1 } + } +} diff --git a/tests/shell/testcases/bogons/nft-f/invalid_transcation_merge_map_and_objref_map b/tests/shell/testcases/bogons/nft-f/invalid_transcation_merge_map_and_objref_map new file mode 100644 index 000000000000..e1fde58553e9 --- /dev/null +++ b/tests/shell/testcases/bogons/nft-f/invalid_transcation_merge_map_and_objref_map @@ -0,0 +1,13 @@ +table ip x { + counter a { } + + map m { + type ipv4_addr : ipv4_addr + elements = { 10.0.0.2 : 192.168.0.4 } + } + + map m { + type ipv4_addr : counter + elements = { 192.168.2.2 : "a" } + } +} -- 2.49.0