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39 lines
754 B
C
39 lines
754 B
C
/* options.h */
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#ifndef _OPTIONS_H
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#define _OPTIONS_H
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#include "packet.h"
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#define TYPE_MASK 0x0F
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enum {
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OPTION_IP=1,
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OPTION_IP_PAIR,
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OPTION_STRING,
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OPTION_BOOLEAN,
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OPTION_U8,
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OPTION_U16,
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OPTION_S16,
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OPTION_U32,
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OPTION_S32
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};
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#define OPTION_REQ 0x10 /* have the client request this option */
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#define OPTION_LIST 0x20 /* There can be a list of 1 or more of these */
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struct dhcp_option {
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char name[10];
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char flags;
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uint8_t code;
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};
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extern struct dhcp_option dhcp_options[];
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extern int option_lengths[];
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uint8_t *get_option(struct dhcpMessage *packet, int code);
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int end_option(uint8_t *optionptr);
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int add_option_string(uint8_t *optionptr, uint8_t *string);
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int add_simple_option(uint8_t *optionptr, uint8_t code, uint32_t data);
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#endif
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