1 /************************************************************************ 2 Copyright 1988, 1991 by Carnegie Mellon University 3 4 All Rights Reserved 5 6 Permission to use, copy, modify, and distribute this software and its 7 documentation for any purpose and without fee is hereby granted, provided 8 that the above copyright notice appear in all copies and that both that 9 copyright notice and this permission notice appear in supporting 10 documentation, and that the name of Carnegie Mellon University not be used 11 in advertising or publicity pertaining to distribution of the software 12 without specific, written prior permission. 13 14 CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS 15 SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. 16 IN NO EVENT SHALL CMU BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL 17 DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 18 PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS 19 ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 20 SOFTWARE. 21 ************************************************************************/ 22 23 24 /* 25 * bootpd.h -- common header file for all the modules of the bootpd program. 26 * 27 * $FreeBSD: src/libexec/bootpd/bootpd.h,v 1.2 1999/11/12 10:11:48 marcel Exp $ 28 * $DragonFly: src/libexec/bootpd/bootpd.h,v 1.2 2003/06/17 04:27:07 dillon Exp $ 29 */ 30 31 #include "bptypes.h" 32 #include "hash.h" 33 #include "hwaddr.h" 34 35 #ifndef TRUE 36 #define TRUE 1 37 #endif 38 #ifndef FALSE 39 #define FALSE 0 40 #endif 41 42 #ifndef PRIVATE 43 #define PRIVATE static 44 #endif 45 46 #ifndef SIGUSR1 47 #define SIGUSR1 30 /* From 4.3 <signal.h> */ 48 #endif 49 50 #define MAXSTRINGLEN 80 /* Max string length */ 51 52 /* Local definitions: */ 53 #define MAX_MSG_SIZE (3*512) /* Maximum packet size */ 54 55 56 /* 57 * Return pointer to static string which gives full network error message. 58 */ 59 #define get_network_errmsg get_errmsg 60 61 62 /* 63 * Data structure used to hold an arbitrary-lengthed list of IP addresses. 64 * The list may be shared among multiple hosts by setting the linkcount 65 * appropriately. 66 */ 67 68 struct in_addr_list { 69 unsigned int linkcount, addrcount; 70 struct in_addr addr[1]; /* Dynamically extended */ 71 }; 72 73 74 /* 75 * Data structures used to hold shared strings and shared binary data. 76 * The linkcount must be set appropriately. 77 */ 78 79 struct shared_string { 80 unsigned int linkcount; 81 char string[1]; /* Dynamically extended */ 82 }; 83 84 struct shared_bindata { 85 unsigned int linkcount, length; 86 byte data[1]; /* Dynamically extended */ 87 }; 88 89 90 /* 91 * Flag structure which indicates which symbols have been defined for a 92 * given host. This information is used to determine which data should or 93 * should not be reported in the bootp packet vendor info field. 94 */ 95 96 struct flag { 97 unsigned bootfile :1, 98 bootserver :1, 99 bootsize :1, 100 bootsize_auto :1, 101 cookie_server :1, 102 domain_server :1, 103 gateway :1, 104 generic :1, 105 haddr :1, 106 homedir :1, 107 htype :1, 108 impress_server :1, 109 iaddr :1, 110 log_server :1, 111 lpr_server :1, 112 name_server :1, 113 name_switch :1, 114 rlp_server :1, 115 send_name :1, 116 subnet_mask :1, 117 tftpdir :1, 118 time_offset :1, 119 time_server :1, 120 dump_file :1, 121 domain_name :1, 122 swap_server :1, 123 root_path :1, 124 exten_file :1, 125 reply_addr :1, 126 nis_domain :1, 127 nis_server :1, 128 ntp_server :1, 129 exec_file :1, 130 msg_size :1, 131 min_wait :1, 132 /* XXX - Add new tags here */ 133 vm_cookie :1; 134 }; 135 136 137 138 /* 139 * The flags structure contains TRUE flags for all the fields which 140 * are considered valid, regardless of whether they were explicitly 141 * specified or indirectly inferred from another entry. 142 * 143 * The gateway and the various server fields all point to a shared list of 144 * IP addresses. 145 * 146 * The hostname, home directory, and bootfile are all shared strings. 147 * 148 * The generic data field is a shared binary data structure. It is used to 149 * hold future RFC1048 vendor data until bootpd is updated to understand it. 150 * 151 * The vm_cookie field specifies the four-octet vendor magic cookie to use 152 * if it is desired to always send the same response to a given host. 153 * 154 * Hopefully, the rest is self-explanatory. 155 */ 156 157 struct host { 158 unsigned linkcount; /* hash list inserts */ 159 struct flag flags; /* ALL valid fields */ 160 struct in_addr_list *cookie_server, 161 *domain_server, 162 *gateway, 163 *impress_server, 164 *log_server, 165 *lpr_server, 166 *name_server, 167 *rlp_server, 168 *time_server, 169 *nis_server, 170 *ntp_server; 171 struct shared_string *bootfile, 172 *hostname, 173 *domain_name, 174 *homedir, 175 *tftpdir, 176 *dump_file, 177 *exten_file, 178 *root_path, 179 *nis_domain, 180 *exec_file; 181 struct shared_bindata *generic; 182 byte vm_cookie[4], 183 htype, /* RFC826 says this should be 16-bits but 184 RFC951 only allocates 1 byte. . . */ 185 haddr[MAXHADDRLEN]; 186 int32 time_offset; 187 u_int32 bootsize, 188 msg_size, 189 min_wait; 190 struct in_addr bootserver, 191 iaddr, 192 swap_server, 193 reply_addr, 194 subnet_mask; 195 /* XXX - Add new tags here (or above as appropriate) */ 196 }; 197 198 199 200 /* 201 * Variables shared among modules. 202 */ 203 204 extern int debug; 205 extern char *bootptab; 206 extern char *progname; 207 208 extern u_char vm_cmu[4]; 209 extern u_char vm_rfc1048[4]; 210 211 extern hash_tbl *hwhashtable; 212 extern hash_tbl *iphashtable; 213 extern hash_tbl *nmhashtable; 214 215