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/* test ip addresses, for libreswan
*
* Copyright (C) 2018-2019 Andrew Cagney
*
* 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. See <https://www.gnu.org/licenses/gpl2.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#ifndef IPCHECK_H
#include <stdio.h>
#include <stdbool.h>
#include "ip_info.h"
#include "where.h"
#include "jambuf.h"
struct logger;
extern void ip_address_check(void);
extern void ip_endpoint_check(void);
extern void ip_range_check(struct logger *logger);
extern void ip_subnet_check(struct logger *logger);
extern void ip_said_check(void);
extern void ip_info_check(void);
extern void ip_protoport_check(void);
extern void ip_selector_check(struct logger *logger);
extern void ip_sockaddr_check(void);
extern void ip_port_check(void);
extern void ip_port_range_check(void);
extern void ip_cidr_check(void);
extern void ip_protocol_check(void);
extern void ip_packet_check(void);
/*
* See: https://gcc.gnu.org/onlinedocs/cpp/Variadic-Macros.html
*
* Unfortunately common compilers don't support __VA_OPT__(,), so
* forced to use ,##__VA_ARGS__.
*/
extern unsigned fails;
extern enum have_dns { DNS_NO, HAVE_HOSTS_FILE, DNS_YES, } have_dns;
#define pri_afi(AFI) ((AFI) == NULL ? "0" : (AFI)->ip_name)
#define PREFIX(FILE) \
{ \
const char *file = HERE_FILENAME; \
fprintf(FILE, "%s:%d", file, t->line); \
fprintf(FILE, " "); \
fprintf(FILE, "%s():%d[%zu]", __func__, LN, ti); \
fprintf(FILE, " "); \
}
#define PRINT(...) \
{ \
PREFIX(stdout); \
fprintf(stdout, __VA_ARGS__); \
fprintf(stdout, "\n"); \
}
#define LN __LINE__
#define FAIL_(...) \
{ \
fflush(stdout); /* keep in sync */ \
fails++; \
PREFIX(stderr); \
fprintf(stderr, "FAILED: "); \
fprintf(stderr, __VA_ARGS__); \
}
#define FAIL(...) \
{ \
FAIL_(__VA_ARGS__); \
fprintf(stderr, "\n"); \
continue; \
}
#define DIAG_FAIL(DIAG, ...) \
{ \
FAIL(__VA_ARGS__); \
fprintf(stderr, "%s", str_diag(*(DIAG))); \
pfree_diag(DIAG); \
fprintf(stderr, "\n"); \
continue; \
}
#define CHECK_AFI(AFI, T, V) \
{ \
const struct ip_info *actual = T##_type(V); \
const struct ip_info *expected = (AFI); \
if (expected != actual) { \
T##_buf tb; \
const char *en = (actual == NULL ? "unset" : \
actual->af_name); \
const char *an = (expected == NULL ? "unset" : \
expected->af_name); \
FAIL(#T"_type(%s) returned %s, expecting %s", \
str_##T(V, &tb), an, en); \
} \
}
#define CHECK_INFO(T) \
CHECK_AFI(t->afi, T, T)
#define CHECK_STR(BUF, OP, EXPECTED, ...) \
{ \
if (EXPECTED == NULL) { \
FAIL(#EXPECTED " is NULL"); \
} \
BUF buf; \
const char *s = str_##OP(__VA_ARGS__, &buf); \
if (s == NULL) { \
FAIL("str_"#OP"() unexpectedly returned NULL"); \
} \
printf("expected %s s %s\n", EXPECTED, s); \
if (!strcaseeq(EXPECTED, s)) { \
FAIL("str_"#OP"() returned '%s', expected '%s'", \
s, EXPECTED); \
} \
size_t ssize = strlen(s); \
char js[sizeof(buf)]; \
struct jambuf jbuf = ARRAY_AS_JAMBUF(js); \
size_t jsize = jam_##OP(&jbuf, __VA_ARGS__); \
if (jsize != ssize) { \
FAIL("jam_"#OP"() returned %zu, expecting %zu", \
jsize, ssize); \
} \
}
#define CHECK_STR2(T) \
{ \
if (t->str == NULL) { \
FAIL("t->str is NULL"); \
} \
T##_buf buf; \
const char *str = str_##T(T, &buf); \
if (str == NULL) { \
FAIL("str_"#T"(%s) unexpectedly returned NULL",\
t->str); \
} \
if (!strcaseeq(t->str, str)) { \
FAIL("str_"#T"(%s) returned '%s', expecting '%s'", \
t->str, str, t->str); \
} \
size_t str_size = strlen(str); \
char jam_str[sizeof(buf)]; \
struct jambuf jambuf = ARRAY_AS_JAMBUF(jam_str); \
size_t jam_size = jam_##T(&jambuf, T); \
if (jam_size != str_size) { \
FAIL("jam_"#T"() returned %zu, expecting %zu", \
jam_size, str_size); \
} \
if (!strcaseeq(t->str, jam_str)) { \
FAIL("jam_"#T"(%s) emitted '%s', expecting '%s'", \
t->str, jam_str, t->str); \
} \
}
/*
* Call a predicate. First form assumes NULL allowed, second does
* not.
*/
#define CHECK_COND(T,COND) \
{ \
bool cond = T##_##COND(T); \
if (cond != t->COND) { \
T##_buf b; \
FAIL(#T"_"#COND"(%s) returned %s, expecting %s", \
str_##T(T, &b), \
bool_str(cond), \
bool_str(t->COND)); \
} \
}
#define CHECK_COND2(T,COND) \
if (T != NULL) { \
bool cond = T##_##COND(*T); \
if (cond != t->COND) { \
T##_buf b; \
FAIL(#T"_"#COND"(%s) returned %s, expecting %s", \
str_##T(T, &b), \
bool_str(cond), \
bool_str(t->COND)); \
} \
}
#define CHECK_UNOP(T, OP, PRI, STR) \
if (T != NULL) { \
typeof(t->OP) op = T##_##OP(*T); \
if (op != t->OP) { \
T##_buf b; \
FAIL(#T "_" #OP "(%s) returned "PRI", expecting "PRI, \
str_##T(T, &b), \
STR(op), \
STR(t->OP)); \
} \
}
#define IPv4_MAX "255.255.255.255"
#define IPv6_MAX "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"
#endif
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