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1.1 root 1: /*
2: setup.c
3:
4: support procedures used in setting up the network
5:
6: */
7:
8: # include "defs.h"
9:
10: char logfile[] = LOGFILE;
11:
12: /* global variables */
13: int datasize = SIZE; /* best if mult of 512 */
14: char vaxtovax = 0;
15: int linkspeed = LINKS;
16: char local;
17: char device[];
18: int debugflg;
19: int maxbread,atime;
20: int onlyuid;
21:
22: short masterseqno;
23: FILE *readtty,*writetty;
24: int readfd, writefd, pipesim;
25: /*
26: called in netdaemon and debugging software
27: handles parameter lists to setup
28: remote machine and pipes
29: */
30: setupdaemon(argc,argv)
31: char **argv; {
32: remote = argc > 1 ? lookup(argv[1]) : getremote(local);
33: if(argc == 4){ /* simulate using pipes */
34: readfd = atoi(argv[2]);
35: writefd = atoi(argv[3]);
36: pipesim++;
37: }
38: initdaemon();
39: }
40: /*
41: set the correct mode on the link device
42: */
43: setup(str)
44: char *str; {
45: struct sgttyb stt;
46: static char readbuf[BUFSIZ],writebuf[BUFSIZ];
47: if(str == 0 || str[0] == 0){
48: err("invalid net device\n");
49: exit(1);
50: }
51: masterseqno = 1;
52: readtty = pipesim ? fdopen(readfd,"r") : fopen(str,"r");
53: if(readtty == NULL){
54: perror(str);
55: exit(1);
56: }
57: writetty = pipesim ? fdopen(writefd,"w") : fopen(str,"w");
58: if(writetty == NULL){
59: perror(str);
60: exit(1);
61: }
62: if(!pipesim){
63: /* set exclusive use for line */
64: if(ioctl(fileno(readtty),TIOCEXCL,&stt) != 0 ||
65: gtty(fileno(readtty),&stt) < 0){
66: perror(str);
67: exit(1);
68: }
69: stt.sg_ispeed = stt.sg_ospeed = linkspeed; /* user-set baud */
70: stt.sg_erase = stt.sg_kill = 0; /* erase and kill off */
71: stt.sg_flags = ANYP; /* even and odd parity, off everything else */
72: if(stty(fileno(readtty),&stt) < 0){
73: perror(str);
74: exit(1);
75: }
76: }
77: setbuf(readtty,readbuf);
78: setbuf(writetty,writebuf);
79: }
80: /*
81: initialize various data structures and print banner
82: */
83: initdaemon(){
84: long timev;
85: int timei;
86: FILE *cfile;
87: cfile = fopen(INITFILE,"r");
88: rdnetfile(cfile);
89: fclose(cfile);
90: err("remote %c local %c link %s speed %d vtov %d length %d\n",
91: remote,local,device,linkspeed,vaxtovax,datasize);
92: err("debug %d time %d count %d onlyuid %d\n",debugflg,atime,
93: maxbread,onlyuid);
94: setup(device);
95: timev = gettime();
96: timei = timev >> 16;
97: srand(timei);
98: # ifdef IMAGE
99: if(machtype[local - 'a'] != M_OTHER)
100: # endif
101: # ifdef EECS40
102: if(machtype[local - 'a'] != M_OTHER)
103: # endif
104: # ifdef OPTVAX
105: if(machtype[local - 'a'] != M_OTHER)
106: # endif
107: # ifdef CSVAX
108: if(machtype[local - 'a'] != M_VAX)
109: # endif
110: # ifdef CORY
111: if(machtype[local - 'a'] != M_CORY)
112: # endif
113: # ifdef INGVAX
114: if(machtype[local - 'a'] != M_INGRES)
115: # endif
116: # ifdef ING70
117: if(machtype[local - 'a'] != M_INGRES)
118: # endif
119: # ifdef CC
120: if(machtype[local -'a'] != M_CC && machtype[local - 'a'] != M_SRC)
121: # endif
122: err("Machine type disagrees with local machine\n");
123: }
124: /*VARARGS0*/
125: error(s,a,b,c,d,e,f,g,h)
126: char *s; {
127: char buf[10];
128: if(remote != 0) sprintf(buf,"%s",longname(remote));
129: else buf[0] = 0;
130: fflush(stdout);
131: if(debugflg){
132: fprintf(stderr,s,a,b,c,d,e,f,g,h);
133: putc('\n',stderr);
134: }
135: addtolog(remote,"Err %s: ",buf);
136: addtolog(remote,s,a,b,c,d,e,f,g,h);
137: addtolog(remote,"\n");
138: }
139: /* this is really not right - we should use the rcslog format */
140: /* also, the user must be able to write on the
141: public logfile to get error messages such as
142: directory not found after he has
143: setuid'd from root
144: */
145: /*VARARGS0*/
146: addtolog(mach,s,a,b,c,d,e,f,g,h,i,j,k,l,m,n)
147: char *s;
148: {
149: static FILE *log = NULL;
150: struct stat statbuf;
151: logfile[strlen(logfile)-1] = mach;
152: if(log == NULL){
153: if(stat(logfile,&statbuf) < 0)return;
154: log = fopen(logfile,"a");
155: }
156: if(log == NULL)return;
157: fseek(log,0L,2);
158: fprintf(log,s,a,b,c,d,e,f,g,h,i,j,k,l,m,n);
159: fflush(log);
160: debug(s,a,b,c,d,e,f,g,h,i,h,k,l,m,n);
161: }
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