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Diffstat (limited to 'tests/nft-expr_immediate-test.c')
| -rw-r--r-- | tests/nft-expr_immediate-test.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/tests/nft-expr_immediate-test.c b/tests/nft-expr_immediate-test.c new file mode 100644 index 0000000..91e8a3d --- /dev/null +++ b/tests/nft-expr_immediate-test.c @@ -0,0 +1,109 @@ +/* + * (C) 2013 by Ana Rey Botello <anarey@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 <libnftables/rule.h> +#include <libnftables/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_nft_rule_expr(struct nft_rule_expr *rule_a, + struct nft_rule_expr *rule_b) +{ + uint32_t data_a, data_b, chain_a, chain_b; + + if (nft_rule_expr_get_u32(rule_a, NFT_EXPR_IMM_DREG) != + nft_rule_expr_get_u32(rule_b, NFT_EXPR_IMM_DREG)) + print_err("Expr NFT_EXPR_IMM_DREG mismatches"); + nft_rule_expr_get(rule_a, NFT_EXPR_IMM_DATA, data_a); + nft_rule_expr_get(rule_b, NFT_EXPR_IMM_DATA, data_b) + if (nft_rule_expr_get_u32(rule_a, NFT_EXPR_IMM_VERDICT) != + nft_rule_expr_get_u32(rule_b, NFT_EXPR_IMM_VERDICT)) + print_err("Expr NFT_EXPR_IMM_VERDICT mismatches"); + nft_rule_expr_get(rule_a, NFT_EXPR_IMM_CHAIN, chain_a); + nft_rule_expr_get(rule_b, NFT_EXPR_IMM_CHAIN, chain_b); + if (data_a != data_b) + print_err("Expr NFT_EXPR_IMM_DATA. Size mismatches"); + if (chain_a != chain_b) + print_err("Expr NFT_EXPR_IMM_CHAIN. Size mismatches"); +} + +int main(int argc, char *argv[]) +{ + struct nft_rule *a, *b; + struct nft_rule_expr *ex; + struct nlmsghdr *nlh; + char buf[4096]; + struct nft_rule_expr_iter *iter_a, *iter_b; + struct nft_rule_expr *rule_a, *rule_b; + uint32_t chain_t = 0x12345678; + uint32_t data_t = 0x12345678; + + a = nft_rule_alloc(); + b = nft_rule_alloc(); + if (a == NULL || b == NULL) + print_err("OOM"); + ex = nft_rule_expr_alloc("immediate"); + if (ex == NULL) + print_err("OOM"); + + nft_rule_expr_set_u32(ex, NFT_EXPR_IMM_DREG, 0x1234568); + nft_rule_expr_set(ex, NFT_EXPR_IMM_DATA, &chain_t, sizeof(chain_t)); + nft_rule_expr_set_u32(ex, NFT_EXPR_IMM_VERDICT, 0x12345678); + nft_rule_expr_set(ex, NFT_EXPR_IMM_CHAIN, &data_t, sizeof(data_t)); + + nft_rule_add_expr(a, ex); + + nlh = nft_rule_nlmsg_build_hdr(buf, NFT_MSG_NEWRULE, AF_INET, 0, 1234); + nft_rule_nlmsg_build_payload(nlh, a); + + if (nft_rule_nlmsg_parse(nlh, b) < 0) + print_err("parsing problems"); + + iter_a = nft_rule_expr_iter_create(a); + iter_b = nft_rule_expr_iter_create(b); + if (iter_a == NULL || iter_b == NULL) + print_err("OOM"); + + rule_a = nft_rule_expr_iter_next(iter_a); + rule_b = nft_rule_expr_iter_next(iter_b); + if (rule_a == NULL || rule_b == NULL) + print_err("OOM"); + + cmp_nft_rule_expr(rule_a, rule_b); + + if (nft_rule_expr_iter_next(iter_a) != NULL || + nft_rule_expr_iter_next(iter_b) != NULL) + print_err("More 1 expr."); + + nft_rule_expr_iter_destroy(iter_a); + nft_rule_expr_iter_destroy(iter_b); + nft_rule_free(a); + nft_rule_free(b); + + if (!test_ok) + exit(EXIT_FAILURE); + + printf("%s: \033[32mOK\e[0m\n", argv[0]); + return EXIT_SUCCESS; +} |