2002-10-15 03:11:28 +05:30
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/* 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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2002-12-09 03:47:54 +05:30
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#include "config.h"
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2002-10-15 03:11:28 +05:30
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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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2002-12-09 03:47:54 +05:30
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#define OPTION_PREFIX 0x40 /* ip wants a prefix instead of a ip for subnet */
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2002-10-15 03:11:28 +05:30
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struct dhcp_option {
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char name[10];
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char flags;
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unsigned char code;
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};
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extern struct dhcp_option options[];
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extern int option_lengths[];
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unsigned char *get_option(struct dhcpMessage *packet, int code);
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int end_option(unsigned char *optionptr);
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int add_option_string(unsigned char *optionptr, unsigned char *string);
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int add_simple_option(unsigned char *optionptr, unsigned char code, u_int32_t data);
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struct option_set *find_option(struct option_set *opt_list, char code);
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void attach_option(struct option_set **opt_list, struct dhcp_option *option, char *buffer, int length);
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#endif
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