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-rw-r--r--util.h39
1 files changed, 33 insertions, 6 deletions
diff --git a/util.h b/util.h
index 23b165c..4d512fa 100644
--- a/util.h
+++ b/util.h
@@ -31,12 +31,6 @@
#ifndef SECCOMP_RET_KILL_PROCESS
#define SECCOMP_RET_KILL_PROCESS SECCOMP_RET_KILL
#endif
-#ifndef ETH_MAX_MTU
-#define ETH_MAX_MTU USHRT_MAX
-#endif
-#ifndef ETH_MIN_MTU
-#define ETH_MIN_MTU 68
-#endif
#ifndef IP_MAX_MTU
#define IP_MAX_MTU USHRT_MAX
#endif
@@ -122,14 +116,43 @@
(((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
#endif
+#ifndef __bswap_constant_32
+#define __bswap_constant_32(x) \
+ ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
+ (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
+#endif
+
+#ifndef __bswap_constant_64
+#define __bswap_constant_64(x) \
+ ((((x) & 0xff00000000000000ULL) >> 56) | \
+ (((x) & 0x00ff000000000000ULL) >> 40) | \
+ (((x) & 0x0000ff0000000000ULL) >> 24) | \
+ (((x) & 0x000000ff00000000ULL) >> 8) | \
+ (((x) & 0x00000000ff000000ULL) << 8) | \
+ (((x) & 0x0000000000ff0000ULL) << 24) | \
+ (((x) & 0x000000000000ff00ULL) << 40) | \
+ (((x) & 0x00000000000000ffULL) << 56))
+#endif
+
#if __BYTE_ORDER == __BIG_ENDIAN
#define htons_constant(x) (x)
#define htonl_constant(x) (x)
+#define htonll_constant(x) (x)
+#define ntohs_constant(x) (x)
+#define ntohl_constant(x) (x)
+#define ntohll_constant(x) (x)
#else
#define htons_constant(x) (__bswap_constant_16(x))
#define htonl_constant(x) (__bswap_constant_32(x))
+#define htonll_constant(x) (__bswap_constant_64(x))
+#define ntohs_constant(x) (__bswap_constant_16(x))
+#define ntohl_constant(x) (__bswap_constant_32(x))
+#define ntohll_constant(x) (__bswap_constant_64(x))
#endif
+#define ntohll(x) (be64toh((x)))
+#define htonll(x) (htobe64((x)))
+
/**
* ntohl_unaligned() - Read 32-bit BE value from a possibly unaligned address
* @p: Pointer to the BE value in memory
@@ -185,6 +208,7 @@ struct ctx;
int sock_l4_sa(const struct ctx *c, enum epoll_type type,
const void *sa, socklen_t sl,
const char *ifname, bool v6only, uint32_t data);
+int sock_unix(char *sock_path);
void sock_probe_mem(struct ctx *c);
long timespec_diff_ms(const struct timespec *a, const struct timespec *b);
int64_t timespec_diff_us(const struct timespec *a, const struct timespec *b);
@@ -352,4 +376,7 @@ static inline int wrap_accept4(int sockfd, struct sockaddr *addr,
#define accept4(s, addr, addrlen, flags) \
wrap_accept4((s), (addr), (addrlen), (flags))
+#define PASST_MAXDNAME 254 /* 253 (RFC 1035) + 1 (the terminator) */
+void encode_domain_name(char *buf, const char *domain_name);
+
#endif /* UTIL_H */