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Diffstat (limited to 'libexec/rbootd/defs.h')
| -rw-r--r-- | libexec/rbootd/defs.h | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/libexec/rbootd/defs.h b/libexec/rbootd/defs.h new file mode 100644 index 000000000000..87bbb5716b83 --- /dev/null +++ b/libexec/rbootd/defs.h @@ -0,0 +1,180 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1988, 1992 The University of Utah and the Center + * for Software Science (CSS). + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * the Center for Software Science of the University of Utah Computer + * Science Department. CSS requests users of this software to return + * to css-dist@cs.utah.edu any improvements that they make and grant + * CSS redistribution rights. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * From: Utah Hdr: defs.h 3.1 92/07/06 + * Author: Jeff Forys, University of Utah CSS + */ + +#include "rmp.h" +#include "rmp_var.h" + +/* +** Common #define's and external variables. All other files should +** include this. +*/ + +/* + * This may be defined in <sys/param.h>, if not, it's defined here. + */ +#ifndef MAXHOSTNAMELEN +#define MAXHOSTNAMELEN 256 +#endif + +/* + * SIGUSR1 and SIGUSR2 are defined in <signal.h> for 4.3BSD systems. + */ +#ifndef SIGUSR1 +#define SIGUSR1 SIGEMT +#endif +#ifndef SIGUSR2 +#define SIGUSR2 SIGFPE +#endif + +/* + * These can be faster & more efficient than strcmp()/strncmp()... + */ +#define STREQN(s1,s2) ((*s1 == *s2) && (strcmp(s1,s2) == 0)) +#define STRNEQN(s1,s2,n) ((*s1 == *s2) && (strncmp(s1,s2,n) == 0)) + +/* + * Configuration file limitations. + */ +#define C_MAXFILE 10 /* max number of boot-able files */ +#define C_LINELEN 1024 /* max length of line */ + +/* + * Direction of packet (used as argument to DispPkt). + */ +#define DIR_RCVD 0 +#define DIR_SENT 1 +#define DIR_NONE 2 + +/* + * These need not be functions, so... + */ +#define FreeStr(str) free(str) +#define FreeClient(cli) free(cli) +#define GenSessID() (++SessionID ? SessionID: ++SessionID) + +/* + * Converting an Ethernet address to a string is done in many routines. + * Using `rmp.hp_hdr.saddr' works because this field is *never* changed; + * it will *always* contain the source address of the packet. + */ +#define EnetStr(rptr) GetEtherAddr(&(rptr)->rmp.hp_hdr.saddr[0]) + +/* + * Every machine we can boot will have one of these allocated for it + * (unless there are no restrictions on who we can boot). + */ +typedef struct client_s { + u_int8_t addr[RMP_ADDRLEN]; /* addr of machine */ + char *files[C_MAXFILE]; /* boot-able files */ + struct client_s *next; /* ptr to next */ +} CLIENT; + +/* + * Every active connection has one of these allocated for it. + */ +typedef struct rmpconn_s { + struct rmp_packet rmp; /* RMP packet */ + int rmplen; /* length of packet */ + struct timeval tstamp; /* last time active */ + int bootfd; /* open boot file */ + struct rmpconn_s *next; /* ptr to next */ +} RMPCONN; + +/* + * All these variables are defined in "conf.c". + */ +extern char MyHost[]; /* this hosts' name */ +extern pid_t MyPid; /* this processes' ID */ +extern int DebugFlg; /* set true if debugging */ +extern int BootAny; /* set true if we can boot anyone */ + +extern char *ConfigFile; /* configuration file */ +extern char *DfltConfig; /* default configuration file */ +extern char *DbgFile; /* debug output file */ +extern char *PidFile; /* file containing pid of server */ +extern char *BootDir; /* directory w/boot files */ + +extern FILE *DbgFp; /* debug file pointer */ +extern char *IntfName; /* interface we are attached to */ + +extern u_int16_t SessionID; /* generated session ID */ + +extern char *BootFiles[]; /* list of boot files */ + +extern CLIENT *Clients; /* list of addrs we'll accept */ +extern RMPCONN *RmpConns; /* list of active connections */ + +extern u_int8_t RmpMcastAddr[]; /* RMP multicast address */ + +void AddConn(RMPCONN *); +int BootDone(RMPCONN *); +void BpfClose(void); +char *BpfGetIntfName(char **); +int BpfOpen(void); +int BpfRead(RMPCONN *, int); +int BpfWrite(RMPCONN *); +void DebugOff(int); +void DebugOn(int); +void DispPkt(RMPCONN *, int); +void DoTimeout(void); +void DspFlnm(u_int, char *); +void Exit(int); +CLIENT *FindClient(RMPCONN *); +RMPCONN *FindConn(RMPCONN *); +void FreeClients(void); +void FreeConn(RMPCONN *); +void FreeConns(void); +int GetBootFiles(void); +char *GetEtherAddr(u_int8_t *); +CLIENT *NewClient(u_int8_t *); +RMPCONN *NewConn(RMPCONN *); +char *NewStr(char *); +u_int8_t *ParseAddr(char *); +int ParseConfig(void); +void ProcessPacket(RMPCONN *, CLIENT *); +void ReConfig(int); +void RemoveConn(RMPCONN *); +int SendBootRepl(struct rmp_packet *, RMPCONN *, char *[]); +int SendFileNo(struct rmp_packet *, RMPCONN *, char *[]); +int SendPacket(RMPCONN *); +int SendReadRepl(RMPCONN *); +int SendServerID(RMPCONN *); |