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#ifndef F2B_CMSG_H_
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#define F2B_CMSG_H_
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#include <sys/uio.h>
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#define DATA_LEN_MAX 496 /* 512 - 16 bytes of header */
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#define DATA_ARGS_MAX 6 /* number of args in data */
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#define F2B_PROTO_VER 1
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enum f2b_cmsg_type {
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CMD_NONE = 0,
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CMD_RESP,
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CMD_HELP,
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CMD_PING = 8,
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CMD_STATUS,
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CMD_ROTATE,
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CMD_RELOAD,
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CMD_SHUTDOWN,
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CMD_JAIL_STATUS = 16,
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CMD_JAIL_SET,
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CMD_JAIL_IP_STATUS,
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CMD_JAIL_IP_BAN,
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CMD_JAIL_IP_RELEASE,
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CMD_MAX_NUMBER,
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};
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#define CMSG_FLAG_NEED_REPLY 0x01
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#define CMSG_FLAG_AUTH_PASS 0x02
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/**
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* @struct f2b control message
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*
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* Use sendmsg/recvmsg and iovec structs to pack/unpack
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*/
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typedef struct f2b_cmsg_t {
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char magic[3]; /**< magic string "F2B" */
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uint8_t version; /**< protocol version */
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/* 4 bytes */
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uint8_t type; /**< command type, cast from enum f2b_cmsg_type */
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uint8_t flags; /**< CMSG_FLAG_* */
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uint16_t size; /**< payload length */
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/* 8 bytes */
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char pass[8];
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/* 16 bytes */
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/* end of header */
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char data[DATA_LEN_MAX]; /**< set of "\n"-terminated strings */
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/* end of data */
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} f2b_cmsg_t;
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void f2b_cmsg_convert_args(f2b_cmsg_t *msg);
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void f2b_cmsg_extract_args(const f2b_cmsg_t *msg, const char **argv);
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#endif /* F2B_CMSG_H_ */
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