| 1 | static char sccsid[] = "@(#)setup.c 4.2 (Berkeley) %G%"; |
| 2 | |
| 3 | /* |
| 4 | setup.c |
| 5 | |
| 6 | support procedures used in setting up the network |
| 7 | |
| 8 | */ |
| 9 | |
| 10 | # include "defs.h" |
| 11 | |
| 12 | char logfile[] = LOGFILE; |
| 13 | |
| 14 | /* global variables */ |
| 15 | struct daemonparms netd; |
| 16 | |
| 17 | /* |
| 18 | called in netdaemon and debugging software |
| 19 | handles parameter lists to setup |
| 20 | remote machine and pipes |
| 21 | */ |
| 22 | setupdaemon(argc,argv) |
| 23 | char **argv;{ |
| 24 | long timev; |
| 25 | int timei; |
| 26 | FILE *cfile; |
| 27 | |
| 28 | parseargs(argc,argv); |
| 29 | |
| 30 | cfile = fopen(INITFILE,"r"); |
| 31 | rdnetfile(cfile); |
| 32 | fclose(cfile); |
| 33 | err("remote %c local %c link %s inspeed %d outspeed %d length %d\n", |
| 34 | remote,local,netd.dp_device,netd.dp_inspeed, |
| 35 | netd.dp_outspeed,netd.dp_datasize); |
| 36 | err("debug %d time %d count %d onlyuid %d usehispeed=%d hispeedlink='%s'\n", |
| 37 | debugflg,netd.dp_oatime, netd.dp_maxbread,netd.dp_onlyuid, |
| 38 | netd.dp_usehispeed, netd.dp_hispeedlink); |
| 39 | err("sendonly %c rcvonly %c pipesim %c\n", |
| 40 | chfromf(netd.dp_sndorcv < 0),chfromf(netd.dp_sndorcv > 0), |
| 41 | chfromf(netd.dp_pipesim)); |
| 42 | setup(netd.dp_device); |
| 43 | timev = gettime(); |
| 44 | timei = timev >> 16; |
| 45 | srand(timei); |
| 46 | } |
| 47 | /* |
| 48 | |
| 49 | see comment in netdaemon.c about the arguments |
| 50 | |
| 51 | */ |
| 52 | parseargs(argc,argv) |
| 53 | char **argv; { |
| 54 | char stemp[30]; |
| 55 | remote = 0; |
| 56 | while(argc > 1 && argv[1][0] == '-'){ |
| 57 | argc--; argv++; |
| 58 | switch(argv[0][1]){ |
| 59 | case '8': |
| 60 | netd.dp_use8bit = 1; |
| 61 | break; |
| 62 | case 'd': |
| 63 | debugflg = 1; |
| 64 | break; |
| 65 | case 'h': |
| 66 | netd.dp_usehispeed = 1; |
| 67 | break; |
| 68 | case 'l': |
| 69 | netd.dp_trynetl = 0; |
| 70 | break; |
| 71 | case 'm': |
| 72 | harg(stemp); |
| 73 | remote = lookup(stemp); |
| 74 | break; |
| 75 | case 'o': /* only */ |
| 76 | if(argv[0][2] == 's') /* only send */ |
| 77 | netd.dp_sndorcv = -1; |
| 78 | else if(argv[0][2] == 'r') /* only receive */ |
| 79 | netd.dp_sndorcv = 1; |
| 80 | else if(argv[0][2] == 'u') /* only uid num */ |
| 81 | netd.dp_onlyuid = atoi(argv[1]); |
| 82 | break; |
| 83 | case 'p': |
| 84 | harg(stemp); |
| 85 | netd.dp_datasize = atol(stemp); |
| 86 | break; |
| 87 | case 'r': |
| 88 | harg(stemp); |
| 89 | netd.dp_rdfile = fdopen(atoi(stemp),"r"); |
| 90 | netd.dp_pipesim++; |
| 91 | break; |
| 92 | case 'w': |
| 93 | harg(stemp); |
| 94 | netd.dp_pwritefd = atoi(stemp); |
| 95 | netd.dp_pipesim++; |
| 96 | break; |
| 97 | /* ignore unknown options */ |
| 98 | } |
| 99 | } |
| 100 | if(remote == 0){ |
| 101 | fprintf(stderr,"Error- must specify machine - use -m option\n"); |
| 102 | exit(EX_USAGE); |
| 103 | } |
| 104 | } |
| 105 | /* |
| 106 | set the correct mode on the link device |
| 107 | */ |
| 108 | setup(str) |
| 109 | char *str; { |
| 110 | struct sgttyb stt; |
| 111 | # ifdef RAND |
| 112 | struct { |
| 113 | int t_xflags; |
| 114 | char t_col; |
| 115 | char t_delct; |
| 116 | char t_outqc_cc; |
| 117 | char t_rawqc_cc; |
| 118 | } exstt; |
| 119 | #define OUT8BIT 01 /* All 8 bits on output */ |
| 120 | #define IN8BIT 02 /* All 8 bits on input */ |
| 121 | # endif |
| 122 | |
| 123 | initseqno(); |
| 124 | /* nothing to set up if we're simulating with pipes */ |
| 125 | if(netd.dp_pipesim)return; |
| 126 | |
| 127 | if(netd.dp_usehispeed){ |
| 128 | str = netd.dp_hispeedlink; |
| 129 | netd.dp_datasize = SENDLEN - ACKLENGTH; |
| 130 | } |
| 131 | if(str == 0 || str[0] == 0){ |
| 132 | err("invalid net device\n"); |
| 133 | exit(EX_OSFILE); |
| 134 | } |
| 135 | netd.dp_linefd = open(str,2); |
| 136 | if(netd.dp_linefd < 0){ |
| 137 | perror(str); |
| 138 | exit(EX_OSERR); |
| 139 | } |
| 140 | /* set exclusive use for line */ |
| 141 | #ifdef TIOCEXCL |
| 142 | #ifdef VAX |
| 143 | (void) |
| 144 | #endif |
| 145 | ioctl(netd.dp_linefd,TIOCEXCL,&stt); |
| 146 | #endif |
| 147 | if(gtty(netd.dp_linefd,&stt) < 0){ |
| 148 | perror(str); |
| 149 | exit(EX_OSERR); |
| 150 | } |
| 151 | stt.sg_ispeed = netd.dp_inspeed; /* user set baud */ |
| 152 | stt.sg_ospeed = netd.dp_outspeed; /* user-set baud */ |
| 153 | stt.sg_erase = stt.sg_kill = 0; /* erase and kill off */ |
| 154 | stt.sg_flags = ANYP; /* even and odd parity, off everything else */ |
| 155 | if(stty(netd.dp_linefd,&stt) < 0){ |
| 156 | perror(str); |
| 157 | exit(EX_OSERR); |
| 158 | } |
| 159 | # ifdef RAND |
| 160 | /* set device into 8-bit mode */ |
| 161 | if(gtty((2<<8)|netd.dp_linefd,&exstt) < 0){ |
| 162 | perror(str); |
| 163 | exit(EX_OSERR); |
| 164 | } |
| 165 | exstt.t_xflags = OUT8BIT | IN8BIT; |
| 166 | if(stty((2<<8)|netd.dp_linefd, &exstt) < 0){ |
| 167 | perror(str); |
| 168 | exit(EX_OSERR); |
| 169 | } |
| 170 | # endif |
| 171 | /* set my own line discipline */ |
| 172 | /* NETLDISC is defined in sgtty.h on the CSVAX */ |
| 173 | /* setting the line discipline must be done AFTER the sttys */ |
| 174 | # ifdef NETLDISC |
| 175 | if(netd.dp_trynetl){ |
| 176 | netd.dp_linedis = NETLDISC; |
| 177 | if(ioctl(netd.dp_linefd,TIOCSETD,&netd.dp_linedis) != 0){ |
| 178 | printf("error - line discipline\n"); |
| 179 | perror(str); |
| 180 | printf("proceeding...\n"); |
| 181 | netd.dp_linedis = 0; |
| 182 | } |
| 183 | if(netd.dp_linedis){ |
| 184 | /* set the line into RAW mode */ |
| 185 | netd.dp_linedis = 0; |
| 186 | ioctl(netd.dp_linefd,TIOCSETD,&netd.dp_linedis); |
| 187 | netd.dp_linedis = NETLDISC; |
| 188 | stt.sg_ispeed = netd.dp_inspeed;/* user set baud */ |
| 189 | stt.sg_ospeed = netd.dp_outspeed; /* user-set baud */ |
| 190 | stt.sg_erase = stt.sg_kill = 0; |
| 191 | stt.sg_flags = ANYP|RAW; /* in raw mode */ |
| 192 | if(stty(netd.dp_linefd,&stt) < 0){ |
| 193 | perror(str); |
| 194 | exit(EX_OSERR); |
| 195 | } |
| 196 | ioctl(netd.dp_linefd,TIOCSETD,&netd.dp_linedis); |
| 197 | printf("Using network line discipline.\n"); |
| 198 | } |
| 199 | } |
| 200 | # endif |
| 201 | } |
| 202 | /*VARARGS0*/ |
| 203 | error(s,a,b,c,d,e,f,g,h) |
| 204 | char *s; { |
| 205 | char buf[10]; |
| 206 | if(remote != 0) sprintf(buf,"%s",longname(remote)); |
| 207 | else buf[0] = 0; |
| 208 | fflush(stdout); |
| 209 | if(debugflg){ |
| 210 | fprintf(stderr,s,a,b,c,d,e,f,g,h); |
| 211 | putc('\n',stderr); |
| 212 | } |
| 213 | addtolog(remote,"Err %s: ",buf); |
| 214 | addtolog(remote,s,a,b,c,d,e,f,g,h); |
| 215 | addtolog(remote,"\n"); |
| 216 | } |
| 217 | /* this is really not right - we should use the rcslog format */ |
| 218 | /* also, the user must be able to write on the |
| 219 | public logfile to get error messages such as |
| 220 | directory not found after he has |
| 221 | setuid'd from root |
| 222 | */ |
| 223 | /*VARARGS0*/ |
| 224 | addtolog(mach,s,a,b,c,d,e,f,g,h,i,j,k,l,m,n) |
| 225 | char *s; |
| 226 | { |
| 227 | static FILE *log = NULL; |
| 228 | struct stat statbuf; |
| 229 | logfile[strlen(logfile)-1] = mach; |
| 230 | if(log == NULL){ |
| 231 | if(stat(logfile,&statbuf) < 0)return; |
| 232 | log = fopen(logfile,"a"); |
| 233 | } |
| 234 | if(log == NULL)return; |
| 235 | fseek(log,0L,2); |
| 236 | fprintf(log,s,a,b,c,d,e,f,g,h,i,j,k,l,m,n); |
| 237 | fflush(log); |
| 238 | debug(s,a,b,c,d,e,f,g,h,i,h,k,l,m,n); |
| 239 | } |