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authorLaura Garcia Liebana <nevola@gmail.com>2016-08-13 01:02:03 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2016-08-17 15:52:58 +0200
commit48a71a20420e307d0a1d8a89ac9fc7b46ec5a1ca (patch)
tree00858dc8a09fb9991358d6cca1468ba3fbea143d /tests
parentaf494b6878ed605e3b52d13e6aba023f3cd985ca (diff)
expr: add hash expression
Support for the nft hash expression in libnftnl. Signed-off-by: Laura Garcia Liebana <nevola@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'tests')
-rw-r--r--tests/Makefile.am6
-rw-r--r--tests/nft-expr_hash-test.c102
-rwxr-xr-xtests/test-script.sh1
3 files changed, 108 insertions, 1 deletions
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 0377081..86766f3 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -29,7 +29,8 @@ check_PROGRAMS = nft-parsing-test \
nft-expr_queue-test \
nft-expr_redir-test \
nft-expr_reject-test \
- nft-expr_target-test
+ nft-expr_target-test \
+ nft-expr_hash-test
nft_parsing_test_SOURCES = nft-parsing-test.c
nft_parsing_test_LDADD = ../src/libnftnl.la ${LIBMNL_LIBS} ${LIBXML_LIBS} ${LIBJSON_LIBS}
@@ -108,3 +109,6 @@ nft_expr_redir_test_LDADD = ../src/libnftnl.la ${LIBMNL_LIBS}
nft_expr_target_test_SOURCES = nft-expr_target-test.c
nft_expr_target_test_LDADD = ../src/libnftnl.la ${LIBMNL_LIBS}
+
+nft_expr_hash_test_SOURCES = nft-expr_hash-test.c
+nft_expr_hash_test_LDADD = ../src/libnftnl.la ${LIBMNL_LIBS}
diff --git a/tests/nft-expr_hash-test.c b/tests/nft-expr_hash-test.c
new file mode 100644
index 0000000..699197c
--- /dev/null
+++ b/tests/nft-expr_hash-test.c
@@ -0,0 +1,102 @@
+/*
+ * (C) 2016 by Laura Garcia <nevola@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <netinet/in.h>
+#include <netinet/ip.h>
+
+#include <linux/netfilter/nf_tables.h>
+#include <libmnl/libmnl.h>
+#include <libnftnl/rule.h>
+#include <libnftnl/expr.h>
+
+static int test_ok = 1;
+
+static void print_err(const char *msg)
+{
+ test_ok = 0;
+ printf("\033[31mERROR:\e[0m %s\n", msg);
+}
+
+static void cmp_nftnl_expr(struct nftnl_expr *rule_a,
+ struct nftnl_expr *rule_b)
+{
+ if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_HASH_SREG) !=
+ nftnl_expr_get_u32(rule_b, NFTNL_EXPR_HASH_SREG))
+ print_err("Expr NFTNL_EXPR_HASH_SREG mismatches");
+ if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_HASH_DREG) !=
+ nftnl_expr_get_u32(rule_b, NFTNL_EXPR_HASH_DREG))
+ print_err("Expr NFTNL_EXPR_HASH_DREG mismatches");
+ if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_HASH_MODULUS) !=
+ nftnl_expr_get_u32(rule_b, NFTNL_EXPR_HASH_MODULUS))
+ print_err("Expr NFTNL_EXPR_HASH_MODULUS mismatches");
+ if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_HASH_SEED) !=
+ nftnl_expr_get_u32(rule_b, NFTNL_EXPR_HASH_SEED))
+ print_err("Expr NFTNL_EXPR_HASH_SEED mismatches");
+}
+
+int main(int argc, char *argv[])
+{
+ struct nftnl_rule *a, *b;
+ struct nftnl_expr *ex;
+ struct nlmsghdr *nlh;
+ char buf[4096];
+ struct nftnl_expr_iter *iter_a, *iter_b;
+ struct nftnl_expr *rule_a, *rule_b;
+
+ a = nftnl_rule_alloc();
+ b = nftnl_rule_alloc();
+ if (a == NULL || b == NULL)
+ print_err("OOM");
+ ex = nftnl_expr_alloc("hash");
+ if (ex == NULL)
+ print_err("OOM");
+
+ nftnl_expr_set_u32(ex, NFTNL_EXPR_HASH_SREG, 0x1234568);
+ nftnl_expr_set_u32(ex, NFTNL_EXPR_HASH_DREG, 0x78123456);
+ nftnl_expr_set_u32(ex, NFTNL_EXPR_HASH_MODULUS, 0x78123456);
+ nftnl_expr_set_u32(ex, NFTNL_EXPR_HASH_SEED, 0x78123456);
+
+ nftnl_rule_add_expr(a, ex);
+
+ nlh = nftnl_rule_nlmsg_build_hdr(buf, NFT_MSG_NEWRULE, AF_INET, 0, 1234);
+ nftnl_rule_nlmsg_build_payload(nlh, a);
+ if (nftnl_rule_nlmsg_parse(nlh, b) < 0)
+ print_err("parsing problems");
+
+ iter_a = nftnl_expr_iter_create(a);
+ iter_b = nftnl_expr_iter_create(b);
+ if (iter_a == NULL || iter_b == NULL)
+ print_err("OOM");
+
+ rule_a = nftnl_expr_iter_next(iter_a);
+ rule_b = nftnl_expr_iter_next(iter_b);
+ if (rule_a == NULL || rule_b == NULL)
+ print_err("OOM");
+
+ cmp_nftnl_expr(rule_a, rule_b);
+
+ if (nftnl_expr_iter_next(iter_a) != NULL ||
+ nftnl_expr_iter_next(iter_b) != NULL)
+ print_err("More 1 expr.");
+
+ nftnl_expr_iter_destroy(iter_a);
+ nftnl_expr_iter_destroy(iter_b);
+ nftnl_rule_free(a);
+ nftnl_rule_free(b);
+
+ if (!test_ok)
+ exit(EXIT_FAILURE);
+
+ printf("%s: \033[32mOK\e[0m\n", argv[0]);
+ return EXIT_SUCCESS;
+}
diff --git a/tests/test-script.sh b/tests/test-script.sh
index ba13571..48f002f 100755
--- a/tests/test-script.sh
+++ b/tests/test-script.sh
@@ -20,6 +20,7 @@
./nft-expr_payload-test
./nft-expr_reject-test
./nft-expr_target-test
+./nft-expr_hash-test
./nft-rule-test
./nft-set-test
./nft-table-test