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authormcr <mcr>1999-10-07 23:47:09 +0000
committermcr <mcr>1999-10-07 23:47:09 +0000
commitf555c163f90c9de17ebcef8313f86404c5174ca9 (patch)
treed039217784b67ee5dd91bc7a5bbc480d91c04356 /bootp.h
downloadtcpdump-f555c163f90c9de17ebcef8313f86404c5174ca9.tar.gz
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+/* @(#) $Header: /tcpdump/master/tcpdump/bootp.h,v 1.7 1999-10-07 23:47:09 mcr Exp $ (LBL) */
+/*
+ * Bootstrap Protocol (BOOTP). RFC951 and RFC1048.
+ *
+ * This file specifies the "implementation-independent" BOOTP protocol
+ * information which is common to both client and server.
+ *
+ * Copyright 1988 by Carnegie Mellon.
+ *
+ * Permission to use, copy, modify, and distribute this program for any
+ * purpose and without fee is hereby granted, provided that this copyright
+ * and permission notice appear on all copies and supporting documentation,
+ * the name of Carnegie Mellon not be used in advertising or publicity
+ * pertaining to distribution of the program without specific prior
+ * permission, and notice be given in supporting documentation that copying
+ * and distribution is by permission of Carnegie Mellon and Stanford
+ * University. Carnegie Mellon makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ */
+
+
+struct bootp {
+ unsigned char bp_op; /* packet opcode type */
+ unsigned char bp_htype; /* hardware addr type */
+ unsigned char bp_hlen; /* hardware addr length */
+ unsigned char bp_hops; /* gateway hops */
+ u_int32_t bp_xid; /* transaction ID */
+ unsigned short bp_secs; /* seconds since boot began */
+ unsigned short bp_unused;
+ struct in_addr bp_ciaddr; /* client IP address */
+ struct in_addr bp_yiaddr; /* 'your' IP address */
+ struct in_addr bp_siaddr; /* server IP address */
+ struct in_addr bp_giaddr; /* gateway IP address */
+ unsigned char bp_chaddr[16]; /* client hardware address */
+ unsigned char bp_sname[64]; /* server host name */
+ unsigned char bp_file[128]; /* boot file name */
+ unsigned char bp_vend[64]; /* vendor-specific area */
+};
+
+/*
+ * UDP port numbers, server and client.
+ */
+#define IPPORT_BOOTPS 67
+#define IPPORT_BOOTPC 68
+
+#define BOOTREPLY 2
+#define BOOTREQUEST 1
+
+
+/*
+ * Vendor magic cookie (v_magic) for CMU
+ */
+#define VM_CMU "CMU"
+
+/*
+ * Vendor magic cookie (v_magic) for RFC1048
+ */
+#define VM_RFC1048 { 99, 130, 83, 99 }
+
+
+
+/*
+ * RFC1048 tag values used to specify what information is being supplied in
+ * the vendor field of the packet.
+ */
+
+#define TAG_PAD ((unsigned char) 0)
+#define TAG_SUBNET_MASK ((unsigned char) 1)
+#define TAG_TIME_OFFSET ((unsigned char) 2)
+#define TAG_GATEWAY ((unsigned char) 3)
+#define TAG_TIME_SERVER ((unsigned char) 4)
+#define TAG_NAME_SERVER ((unsigned char) 5)
+#define TAG_DOMAIN_SERVER ((unsigned char) 6)
+#define TAG_LOG_SERVER ((unsigned char) 7)
+#define TAG_COOKIE_SERVER ((unsigned char) 8)
+#define TAG_LPR_SERVER ((unsigned char) 9)
+#define TAG_IMPRESS_SERVER ((unsigned char) 10)
+#define TAG_RLP_SERVER ((unsigned char) 11)
+#define TAG_HOSTNAME ((unsigned char) 12)
+#define TAG_BOOTSIZE ((unsigned char) 13)
+#define TAG_END ((unsigned char) 255)
+/* RFC1497 tags */
+#define TAG_DUMPPATH ((unsigned char) 14)
+#define TAG_DOMAINNAME ((unsigned char) 15)
+#define TAG_SWAP_SERVER ((unsigned char) 16)
+#define TAG_ROOTPATH ((unsigned char) 17)
+#define TAG_EXTPATH ((unsigned char) 18)
+
+
+
+/*
+ * "vendor" data permitted for CMU bootp clients.
+ */
+
+struct cmu_vend {
+ unsigned char v_magic[4]; /* magic number */
+ u_int32_t v_flags; /* flags/opcodes, etc. */
+ struct in_addr v_smask; /* Subnet mask */
+ struct in_addr v_dgate; /* Default gateway */
+ struct in_addr v_dns1, v_dns2; /* Domain name servers */
+ struct in_addr v_ins1, v_ins2; /* IEN-116 name servers */
+ struct in_addr v_ts1, v_ts2; /* Time servers */
+ unsigned char v_unused[24]; /* currently unused */
+};
+
+
+/* v_flags values */
+#define VF_SMASK 1 /* Subnet mask field contains valid data */