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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: struct daemonparms netd;
14:
15: /*
16: called in netdaemon and debugging software
17: handles parameter lists to setup
18: remote machine and pipes
19: */
20: setupdaemon(argc,argv)
21: char **argv;{
22: long timev;
23: int timei;
24: FILE *cfile;
25:
26: parseargs(argc,argv);
27:
28: cfile = fopen(INITFILE,"r");
29: rdnetfile(cfile);
30: fclose(cfile);
31: err("remote %c local %c link %s inspeed %d outspeed %d length %d\n",
32: remote,local,netd.dp_device,netd.dp_inspeed,
33: netd.dp_outspeed,netd.dp_datasize);
34: err("debug %d time %d count %d onlyuid %d usehispeed=%d hispeedlink='%s'\n",
35: debugflg,netd.dp_atime, netd.dp_maxbread,netd.dp_onlyuid,
36: netd.dp_usehispeed, netd.dp_hispeedlink);
37: err("sendonly %c rcvonly %c pipesim %c\n",
38: chfromf(netd.dp_sndorcv < 0),chfromf(netd.dp_sndorcv > 0),
39: chfromf(netd.dp_pipesim));
40: setup(netd.dp_device);
41: timev = gettime();
42: timei = timev >> 16;
43: srand(timei);
44: }
45: /*
46:
47: see comment in netdaemon.c about the arguments
48:
49: */
50: parseargs(argc,argv)
51: char **argv; {
52: char stemp[30];
53: remote = 0;
54: while(argc > 1 && argv[1][0] == '-'){
55: argc--; argv++;
56: switch(argv[0][1]){
57: case '8':
58: netd.dp_use8bit = 1;
59: break;
60: case 'd':
61: debugflg = 1;
62: break;
63: case 'h':
64: netd.dp_usehispeed = 1;
65: break;
66: case 'm':
67: harg(stemp,&argc,&argv);
68: remote = lookup(stemp);
69: break;
70: case 'o': /* only */
71: if(argv[0][2] == 's') /* only send */
72: netd.dp_sndorcv = -1;
73: else if(argv[0][2] == 'r') /* only receive */
74: netd.dp_sndorcv = 1;
75: else if(argv[0][2] == 'u') /* only uid num */
76: netd.dp_onlyuid = atoi(argv[1]);
77: break;
78: case 'p':
79: harg(stemp,&argc,&argv);
80: netd.dp_datasize = atol(stemp);
81: break;
82: case 'r':
83: harg(stemp,&argc,&argv);
84: netd.dp_rdfile = fdopen(atoi(stemp),"r");
85: netd.dp_pipesim++;
86: break;
87: case 'w':
88: harg(stemp,&argc,&argv);
89: netd.dp_pwritefd = atoi(stemp);
90: netd.dp_pipesim++;
91: break;
92: /* ignore unknown options */
93: }
94: }
95: if(remote == 0){
96: fprintf(stderr,"Error- must specify machine - use -m option\n");
97: exit(EX_USAGE);
98: }
99: }
100: /*
101: set the correct mode on the link device
102: */
103: setup(str)
104: char *str; {
105: struct sgttyb stt;
106: # ifdef RAND
107: struct {
108: int t_xflags;
109: char t_col;
110: char t_delct;
111: char t_outqc_cc;
112: char t_rawqc_cc;
113: } exstt;
114: #define OUT8BIT 01 /* All 8 bits on output */
115: #define IN8BIT 02 /* All 8 bits on input */
116: # endif
117:
118: initseqno();
119: /* nothing to set up if we're simulating with pipes */
120: if(netd.dp_pipesim)return;
121:
122: if(netd.dp_usehispeed){
123: str = netd.dp_hispeedlink;
124: netd.dp_datasize = SENDLEN - ACKLENGTH;
125: }
126: if(str == 0 || str[0] == 0){
127: err("invalid net device\n");
128: exit(EX_OSFILE);
129: }
130: netd.dp_linefd = open(str,2);
131: if(netd.dp_linefd < 0){
132: perror(str);
133: exit(EX_OSERR);
134: }
135: /* set exclusive use for line */
136: if(ioctl(netd.dp_linefd,TIOCEXCL,&stt) != 0 ||
137: gtty(netd.dp_linefd,&stt) < 0){
138: perror(str);
139: exit(EX_OSERR);
140: }
141: stt.sg_ispeed = netd.dp_inspeed; /* user set baud */
142: stt.sg_ospeed = netd.dp_outspeed; /* user-set baud */
143: stt.sg_erase = stt.sg_kill = 0; /* erase and kill off */
144: stt.sg_flags = ANYP; /* even and odd parity, off everything else */
145: if(stty(netd.dp_linefd,&stt) < 0){
146: perror(str);
147: exit(EX_OSERR);
148: }
149: # ifdef RAND
150: /* set device into 8-bit mode */
151: if(gtty((2<<8)|netd.dp_linefd,&exstt) < 0){
152: perror(str);
153: exit(EX_OSERR);
154: }
155: exstt.t_xflags = OUT8BIT | IN8BIT;
156: if(stty((2<<8)|netd.dp_linefd, &exstt) < 0){
157: perror(str);
158: exit(EX_OSERR);
159: }
160: # endif
161: /* set my own line discipline */
162: /* NETLDISC is defined in sgtty.h on the CSVAX */
163: /* setting the line discipline must be done AFTER the sttys */
164: # ifdef NETLDISC
165: netd.dp_linedis = NETLDISC;
166: if(ioctl(netd.dp_linefd,TIOCSETD,&netd.dp_linedis) != 0){
167: printf("error - line discipline\n");
168: perror(str);
169: printf("proceeding...\n");
170: netd.dp_linedis = 0;
171: }
172: if(netd.dp_linedis){
173: /* set the line into RAW mode */
174: netd.dp_linedis = 0;
175: ioctl(netd.dp_linefd,TIOCSETD,&netd.dp_linedis);
176: netd.dp_linedis = NETLDISC;
177: stt.sg_ispeed = netd.dp_inspeed; /* user set baud */
178: stt.sg_ospeed = netd.dp_outspeed; /* user-set baud */
179: stt.sg_erase = stt.sg_kill = 0;
180: stt.sg_flags = ANYP|RAW; /* in raw mode */
181: if(stty(netd.dp_linefd,&stt) < 0){
182: perror(str);
183: exit(EX_OSERR);
184: }
185: ioctl(netd.dp_linefd,TIOCSETD,&netd.dp_linedis);
186: }
187: # endif
188: }
189: /*VARARGS0*/
190: error(s,a,b,c,d,e,f,g,h)
191: char *s; {
192: char buf[10];
193: if(remote != 0) sprintf(buf,"%s",longname(remote));
194: else buf[0] = 0;
195: fflush(stdout);
196: if(debugflg){
197: fprintf(stderr,s,a,b,c,d,e,f,g,h);
198: putc('\n',stderr);
199: }
200: addtolog(remote,"Err %s: ",buf);
201: addtolog(remote,s,a,b,c,d,e,f,g,h);
202: addtolog(remote,"\n");
203: }
204: /* this is really not right - we should use the rcslog format */
205: /* also, the user must be able to write on the
206: public logfile to get error messages such as
207: directory not found after he has
208: setuid'd from root
209: */
210: /*VARARGS0*/
211: addtolog(mach,s,a,b,c,d,e,f,g,h,i,j,k,l,m,n)
212: char *s;
213: {
214: static FILE *log = NULL;
215: struct stat statbuf;
216: logfile[strlen(logfile)-1] = mach;
217: if(log == NULL){
218: if(stat(logfile,&statbuf) < 0)return;
219: log = fopen(logfile,"a");
220: }
221: if(log == NULL)return;
222: fseek(log,0L,2);
223: fprintf(log,s,a,b,c,d,e,f,g,h,i,j,k,l,m,n);
224: fflush(log);
225: debug(s,a,b,c,d,e,f,g,h,i,h,k,l,m,n);
226: }
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