212 lines
5.2 KiB
C
212 lines
5.2 KiB
C
/************************************************************************
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Copyright 1988, 1991 by Carnegie Mellon University
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted, provided
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that the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation, and that the name of Carnegie Mellon University not be used
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in advertising or publicity pertaining to distribution of the software
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without specific, written prior permission.
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CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
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SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
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IN NO EVENT SHALL CMU BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
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DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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************************************************************************/
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/*
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* bootpd.h -- common header file for all the modules of the bootpd program.
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*/
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#include "bptypes.h"
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#include "hash.h"
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#include "hwaddr.h"
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#ifndef TRUE
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#define TRUE 1
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#endif
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#ifndef FALSE
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#define FALSE 0
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#endif
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#ifndef PRIVATE
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#define PRIVATE static
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#endif
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#ifndef SIGUSR1
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#define SIGUSR1 30 /* From 4.3 <signal.h> */
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#endif
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#define MAXSTRINGLEN 80 /* Max string length */
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/* Local definitions: */
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#define MAX_MSG_SIZE (3*512) /* Maximum packet size */
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/*
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* Return pointer to static string which gives full network error message.
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*/
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#define get_network_errmsg get_errmsg
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/*
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* Data structure used to hold an arbitrary-lengthed list of IP addresses.
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* The list may be shared among multiple hosts by setting the linkcount
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* appropriately.
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*/
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struct in_addr_list {
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unsigned int linkcount, addrcount;
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struct in_addr addr[1]; /* Dynamically extended */
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};
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/*
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* Data structures used to hold shared strings and shared binary data.
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* The linkcount must be set appropriately.
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*/
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struct shared_string {
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unsigned int linkcount;
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char string[1]; /* Dynamically extended */
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};
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struct shared_bindata {
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unsigned int linkcount, length;
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byte data[1]; /* Dynamically extended */
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};
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/*
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* Flag structure which indicates which symbols have been defined for a
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* given host. This information is used to determine which data should or
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* should not be reported in the bootp packet vendor info field.
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*/
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struct flag {
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unsigned bootfile :1,
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bootserver :1,
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bootsize :1,
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bootsize_auto :1,
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cookie_server :1,
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domain_server :1,
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gateway :1,
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generic :1,
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haddr :1,
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homedir :1,
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htype :1,
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impress_server :1,
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iaddr :1,
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log_server :1,
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lpr_server :1,
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name_server :1,
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name_switch :1,
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rlp_server :1,
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send_name :1,
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subnet_mask :1,
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tftpdir :1,
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time_offset :1,
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time_server :1,
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dump_file :1,
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domain_name :1,
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swap_server :1,
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root_path :1,
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exten_file :1,
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reply_addr :1,
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nis_domain :1,
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nis_server :1,
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ntp_server :1,
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exec_file :1,
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msg_size :1,
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min_wait :1,
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/* XXX - Add new tags here */
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vm_cookie :1;
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};
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/*
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* The flags structure contains TRUE flags for all the fields which
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* are considered valid, regardless of whether they were explicitly
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* specified or indirectly inferred from another entry.
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*
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* The gateway and the various server fields all point to a shared list of
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* IP addresses.
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*
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* The hostname, home directory, and bootfile are all shared strings.
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*
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* The generic data field is a shared binary data structure. It is used to
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* hold future RFC1048 vendor data until bootpd is updated to understand it.
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*
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* The vm_cookie field specifies the four-octet vendor magic cookie to use
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* if it is desired to always send the same response to a given host.
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*
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* Hopefully, the rest is self-explanatory.
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*/
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struct host {
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unsigned linkcount; /* hash list inserts */
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struct flag flags; /* ALL valid fields */
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struct in_addr_list *cookie_server,
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*domain_server,
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*gateway,
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*impress_server,
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*log_server,
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*lpr_server,
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*name_server,
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*rlp_server,
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*time_server,
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*nis_server,
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*ntp_server;
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struct shared_string *bootfile,
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*hostname,
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*domain_name,
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*homedir,
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*tftpdir,
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*dump_file,
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*exten_file,
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*root_path,
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*nis_domain,
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*exec_file;
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struct shared_bindata *generic;
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byte vm_cookie[4],
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htype, /* RFC826 says this should be 16-bits but
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RFC951 only allocates 1 byte. . . */
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haddr[MAXHADDRLEN];
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int32 time_offset;
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unsigned int32 bootsize,
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msg_size,
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min_wait;
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struct in_addr bootserver,
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iaddr,
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swap_server,
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reply_addr,
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subnet_mask;
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/* XXX - Add new tags here (or above as appropriate) */
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};
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/*
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* Variables shared among modules.
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*/
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extern int debug;
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extern char *bootptab;
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extern char *progname;
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extern u_char vm_cmu[4];
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extern u_char vm_rfc1048[4];
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extern hash_tbl *hwhashtable;
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extern hash_tbl *iphashtable;
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extern hash_tbl *nmhashtable;
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