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#ifndef PROXY_PROT_H
#define PROXY_PROT_H
#include <stdint.h>
#include <string.h>
#include <netinet/in.h>
#define PROXY_SIG { 'P', 'R', 'O', 'X', 'Y' }
#define PROXY_MINLEN 8
#define PROXY_TCP4 "TCP4"
#define PROXY_TCP6 "TCP6"
#define PROXY_UNKNOWN "UNKNOWN"
#define PROXY2_SIG { 0x0d, 0x0a, 0x0d, 0x0a, 0x00, 0x0d, 0x0a, 0x51, 0x55, 0x49, 0x54, 0x0a }
#define PROXY2_MINLEN 16
#define PROXY2_LOCAL 0
#define PROXY2_PROXY 1
#define PROXY2_AF_UNSPEC 0
#define PROXY2_AF_INET 1
#define PROXY2_AF_INET6 2
#define PROXY2_AF_UNIX 3
#define PROXY2_UNSPEC 0
#define PROXY2_STREAM 1
#define PROXY2_DGRAM 2
struct proxy_hdr {
char line[108];
} __attribute__((packed));
struct proxy2_ipv4 {
struct in_addr src_addr;
struct in_addr dst_addr;
uint16_t src_port;
uint16_t dst_port;
} __attribute__((packed));
struct proxy2_ipv6 {
struct in6_addr src_addr;
struct in6_addr dst_addr;
uint16_t src_port;
uint16_t dst_port;
} __attribute__((packed));
struct proxy2_unix {
char src_addr[108];
char dst_addr[108];
} __attribute__((packed));
union proxy2_addr {
struct proxy2_ipv4 ipv4_addr;
struct proxy2_ipv6 ipv6_addr;
struct proxy2_unix unix_addr;
};
struct proxy2_hdr {
uint8_t sig[12]; /* hex 0D 0A 0D 0A 00 0D 0A 51 55 49 54 0A */
uint8_t ver_cmd; /* protocol version and command */
uint8_t fam; /* protocol family and address */
uint16_t len; /* number of following bytes part of the header */
union proxy2_addr __addr[0];
#define ipv4_addr __addr[0].ipv4_addr
#define ipv6_addr __addr[0].ipv6_addr
#define unix_addr __addr[0].unix_addr
} __attribute__((packed));
struct BUG_bad_sizeof_proxy_hdr {
uint8_t proxy_hdr[sizeof(struct proxy_hdr) < PROXY_MINLEN ? -1 : 0 ];
};
struct BUG_bad_sizeof_proxy2_hdr {
uint8_t proxy2_hdr[sizeof(struct proxy2_hdr) != PROXY2_MINLEN ? -1 : 0 ];
};
#endif
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