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Diffstat (limited to 'tests/nft-expr_numgen-test.c')
| -rw-r--r-- | tests/nft-expr_numgen-test.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/tests/nft-expr_numgen-test.c b/tests/nft-expr_numgen-test.c new file mode 100644 index 0000000..94df50f --- /dev/null +++ b/tests/nft-expr_numgen-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_NG_DREG) != + nftnl_expr_get_u32(rule_b, NFTNL_EXPR_NG_DREG)) + print_err("Expr NFTNL_EXPR_NG_DREG mismatches"); + if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_NG_MODULUS) != + nftnl_expr_get_u32(rule_b, NFTNL_EXPR_NG_MODULUS)) + print_err("Expr NFTNL_EXPR_NG_MODULUS mismatches"); + if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_NG_TYPE) != + nftnl_expr_get_u32(rule_b, NFTNL_EXPR_NG_TYPE)) + print_err("Expr NFTNL_EXPR_NG_TYPE mismatches"); + if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_NG_OFFSET) != + nftnl_expr_get_u32(rule_b, NFTNL_EXPR_NG_OFFSET)) + print_err("Expr NFTNL_EXPR_NG_OFFSET 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("numgen"); + if (ex == NULL) + print_err("OOM"); + + nftnl_expr_set_u32(ex, NFTNL_EXPR_NG_DREG, 0x1234568); + nftnl_expr_set_u32(ex, NFTNL_EXPR_NG_MODULUS, 0x78123456); + nftnl_expr_set_u32(ex, NFTNL_EXPR_NG_TYPE, NFT_NG_INCREMENTAL); + nftnl_expr_set_u32(ex, NFTNL_EXPR_NG_OFFSET, 0x1000000); + + nftnl_rule_add_expr(a, ex); + + nlh = nftnl_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; +} |