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Diffstat (limited to 'tests/nft-expr_bitwise-test.c')
| -rw-r--r-- | tests/nft-expr_bitwise-test.c | 285 |
1 files changed, 285 insertions, 0 deletions
diff --git a/tests/nft-expr_bitwise-test.c b/tests/nft-expr_bitwise-test.c new file mode 100644 index 0000000..44c4bf0 --- /dev/null +++ b/tests/nft-expr_bitwise-test.c @@ -0,0 +1,285 @@ +/* + * (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 <libnftnl/rule.h> +#include <libnftnl/expr.h> + +static int test_ok = 1; + +static void print_err(const char *test, const char *msg) +{ + test_ok = 0; + printf("\033[31mERROR:\e[0m [%s] %s\n", test, msg); +} + +static void cmp_nftnl_expr_bool(struct nftnl_expr *rule_a, + struct nftnl_expr *rule_b) +{ + uint32_t maska, maskb; + uint32_t xora, xorb; + + if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_BITWISE_DREG) != + nftnl_expr_get_u32(rule_b, NFTNL_EXPR_BITWISE_DREG)) + print_err("bool", "Expr BITWISE_DREG mismatches"); + if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_BITWISE_SREG) != + nftnl_expr_get_u32(rule_b, NFTNL_EXPR_BITWISE_SREG)) + print_err("bool", "Expr BITWISE_SREG mismatches"); + if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_BITWISE_OP) != + nftnl_expr_get_u32(rule_b, NFTNL_EXPR_BITWISE_OP)) + print_err("bool", "Expr BITWISE_OP mismatches"); + if (nftnl_expr_get_u16(rule_a, NFTNL_EXPR_BITWISE_LEN) != + nftnl_expr_get_u16(rule_b, NFTNL_EXPR_BITWISE_LEN)) + print_err("bool", "Expr BITWISE_LEN mismatches"); + nftnl_expr_get(rule_a, NFTNL_EXPR_BITWISE_MASK, &maska); + nftnl_expr_get(rule_b, NFTNL_EXPR_BITWISE_MASK, &maskb); + if (maska != maskb) + print_err("bool", "Size of BITWISE_MASK mismatches"); + nftnl_expr_get(rule_a, NFTNL_EXPR_BITWISE_XOR, &xora); + nftnl_expr_get(rule_b, NFTNL_EXPR_BITWISE_XOR, &xorb); + if (xora != xorb) + print_err("bool", "Size of BITWISE_XOR mismatches"); +} + +static void cmp_nftnl_expr_lshift(struct nftnl_expr *rule_a, + struct nftnl_expr *rule_b) +{ + uint32_t data_a, data_b; + + if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_BITWISE_DREG) != + nftnl_expr_get_u32(rule_b, NFTNL_EXPR_BITWISE_DREG)) + print_err("lshift", "Expr BITWISE_DREG mismatches"); + if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_BITWISE_SREG) != + nftnl_expr_get_u32(rule_b, NFTNL_EXPR_BITWISE_SREG)) + print_err("lshift", "Expr BITWISE_SREG mismatches"); + if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_BITWISE_OP) != + nftnl_expr_get_u32(rule_b, NFTNL_EXPR_BITWISE_OP)) + print_err("lshift", "Expr BITWISE_OP mismatches"); + if (nftnl_expr_get_u16(rule_a, NFTNL_EXPR_BITWISE_LEN) != + nftnl_expr_get_u16(rule_b, NFTNL_EXPR_BITWISE_LEN)) + print_err("lshift", "Expr BITWISE_LEN mismatches"); + nftnl_expr_get(rule_a, NFTNL_EXPR_BITWISE_DATA, &data_a); + nftnl_expr_get(rule_b, NFTNL_EXPR_BITWISE_DATA, &data_b); + if (data_a != data_b) + print_err("lshift", "Expr BITWISE_DATA mismatches"); +} + +static void cmp_nftnl_expr_rshift(struct nftnl_expr *rule_a, + struct nftnl_expr *rule_b) +{ + uint32_t data_a, data_b; + + if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_BITWISE_DREG) != + nftnl_expr_get_u32(rule_b, NFTNL_EXPR_BITWISE_DREG)) + print_err("rshift", "Expr BITWISE_DREG mismatches"); + if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_BITWISE_SREG) != + nftnl_expr_get_u32(rule_b, NFTNL_EXPR_BITWISE_SREG)) + print_err("rshift", "Expr BITWISE_SREG mismatches"); + if (nftnl_expr_get_u32(rule_a, NFTNL_EXPR_BITWISE_OP) != + nftnl_expr_get_u32(rule_b, NFTNL_EXPR_BITWISE_OP)) + print_err("rshift", "Expr BITWISE_OP mismatches"); + if (nftnl_expr_get_u16(rule_a, NFTNL_EXPR_BITWISE_LEN) != + nftnl_expr_get_u16(rule_b, NFTNL_EXPR_BITWISE_LEN)) + print_err("rshift", "Expr BITWISE_LEN mismatches"); + nftnl_expr_get(rule_a, NFTNL_EXPR_BITWISE_DATA, &data_a); + nftnl_expr_get(rule_b, NFTNL_EXPR_BITWISE_DATA, &data_b); + if (data_a != data_b) + print_err("rshift", "Expr BITWISE_DATA mismatches"); +} + +static void test_bool(void) +{ + struct nftnl_rule *a, *b = NULL; + struct nftnl_expr *ex = NULL; + struct nlmsghdr *nlh; + char buf[4096]; + struct nftnl_expr_iter *iter_a, *iter_b = NULL; + struct nftnl_expr *rule_a, *rule_b = NULL; + uint32_t mask = 0x01010101; + uint32_t xor = 0x12345678; + + a = nftnl_rule_alloc(); + b = nftnl_rule_alloc(); + if (a == NULL || b == NULL) + print_err("bool", "OOM"); + ex = nftnl_expr_alloc("bitwise"); + if (ex == NULL) + print_err("bool", "OOM"); + + nftnl_expr_set_u32(ex, NFTNL_EXPR_BITWISE_SREG, 0x12345678); + nftnl_expr_set_u32(ex, NFTNL_EXPR_BITWISE_DREG, 0x78123456); + nftnl_expr_set_u32(ex, NFTNL_EXPR_BITWISE_OP, NFT_BITWISE_BOOL); + nftnl_expr_set_u32(ex, NFTNL_EXPR_BITWISE_LEN, 0x56781234); + nftnl_expr_set(ex, NFTNL_EXPR_BITWISE_MASK, &mask, sizeof(mask)); + nftnl_expr_set(ex, NFTNL_EXPR_BITWISE_XOR, &xor, sizeof(xor)); + + 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("bool", "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("bool", "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("bool", "OOM"); + + if (nftnl_expr_iter_next(iter_a) != NULL || + nftnl_expr_iter_next(iter_b) != NULL) + print_err("bool", "More 1 expr."); + + nftnl_expr_iter_destroy(iter_a); + nftnl_expr_iter_destroy(iter_b); + + cmp_nftnl_expr_bool(rule_a,rule_b); + + nftnl_rule_free(a); + nftnl_rule_free(b); +} + +static void test_lshift(void) +{ + struct nftnl_rule *a, *b = NULL; + struct nftnl_expr *ex = NULL; + struct nlmsghdr *nlh; + char buf[4096]; + struct nftnl_expr_iter *iter_a, *iter_b = NULL; + struct nftnl_expr *rule_a, *rule_b = NULL; + + a = nftnl_rule_alloc(); + b = nftnl_rule_alloc(); + if (a == NULL || b == NULL) + print_err("lshift", "OOM"); + ex = nftnl_expr_alloc("bitwise"); + if (ex == NULL) + print_err("lshift", "OOM"); + + nftnl_expr_set_u32(ex, NFTNL_EXPR_BITWISE_SREG, 0x12345678); + nftnl_expr_set_u32(ex, NFTNL_EXPR_BITWISE_DREG, 0x78123456); + nftnl_expr_set_u32(ex, NFTNL_EXPR_BITWISE_OP, NFT_BITWISE_LSHIFT); + nftnl_expr_set_u32(ex, NFTNL_EXPR_BITWISE_LEN, 0x56781234); + nftnl_expr_set_u32(ex, NFTNL_EXPR_BITWISE_DATA, 13); + + 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("lshift", "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("lshift", "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("lshift", "OOM"); + + if (nftnl_expr_iter_next(iter_a) != NULL || + nftnl_expr_iter_next(iter_b) != NULL) + print_err("lshift", "More 1 expr."); + + nftnl_expr_iter_destroy(iter_a); + nftnl_expr_iter_destroy(iter_b); + + cmp_nftnl_expr_lshift(rule_a,rule_b); + + nftnl_rule_free(a); + nftnl_rule_free(b); +} + +static void test_rshift(void) +{ + struct nftnl_rule *a, *b = NULL; + struct nftnl_expr *ex = NULL; + struct nlmsghdr *nlh; + char buf[4096]; + struct nftnl_expr_iter *iter_a, *iter_b = NULL; + struct nftnl_expr *rule_a, *rule_b = NULL; + + a = nftnl_rule_alloc(); + b = nftnl_rule_alloc(); + if (a == NULL || b == NULL) + print_err("rshift", "OOM"); + ex = nftnl_expr_alloc("bitwise"); + if (ex == NULL) + print_err("rshift", "OOM"); + + nftnl_expr_set_u32(ex, NFTNL_EXPR_BITWISE_SREG, 0x12345678); + nftnl_expr_set_u32(ex, NFTNL_EXPR_BITWISE_DREG, 0x78123456); + nftnl_expr_set_u32(ex, NFTNL_EXPR_BITWISE_OP, NFT_BITWISE_RSHIFT); + nftnl_expr_set_u32(ex, NFTNL_EXPR_BITWISE_LEN, 0x56781234); + nftnl_expr_set_u32(ex, NFTNL_EXPR_BITWISE_DATA, 17); + + 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("rshift", "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("rshift", "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("rshift", "OOM"); + + if (nftnl_expr_iter_next(iter_a) != NULL || + nftnl_expr_iter_next(iter_b) != NULL) + print_err("rshift", "More 1 expr."); + + nftnl_expr_iter_destroy(iter_a); + nftnl_expr_iter_destroy(iter_b); + + cmp_nftnl_expr_rshift(rule_a,rule_b); + + nftnl_rule_free(a); + nftnl_rule_free(b); +} + +int main(int argc, char *argv[]) +{ + test_bool(); + if (!test_ok) + exit(EXIT_FAILURE); + + test_lshift(); + if (!test_ok) + exit(EXIT_FAILURE); + + test_rshift(); + if (!test_ok) + exit(EXIT_FAILURE); + + printf("%s: \033[32mOK\e[0m\n", argv[0]); + return EXIT_SUCCESS; +} |