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1.1 root 1: static char sccsid[] = "@(#)netlpr.c 4.1 (Berkeley) 9/12/82";
2:
3: /* sccs id variable */
4: static char *netlpr_sid = "@(#)netlpr.c 1.4";
5: /*
6:
7: netlpr [-m mach] [-l login] [-p password] [-f] [-n] [-q] [-c ?pr] [file1 ... filen]
8:
9: send a set of files to the lineprinter on the mach machine.
10: if between CC machines, no account is needed, so no login
11: or passwd is prompted.
12: Other flags are simply passed thru.
13: Flags:
14: -m mach remote machine
15: -l login remote login name, ignored on CC
16: -p passwd remote password, " " "
17: -f force prompting of user name
18: -n don't send anything back
19: -q quiet option
20: -c printer use the "printer" command instead of "lpr"
21: */
22: /* also, netlpr should check the remote lpr's other user execute
23: bit to see if it is down
24: */
25: /* must run setuid root on CC machines only */
26:
27: # include "defs.h"
28:
29: /* global variables */
30: struct userinfo status;
31:
32: main(argc,argv)
33: char **argv; {
34: /* parms are flags to the lpr command on the rem mach */
35: int rcode,uid,pid, Iflag;
36: char parms[BUFSIZ], fnoacct, *sn, suid[20], sLprCommand[20];
37: static char tomachstr[BUFSIZ], realcmd[BUFSIZ], tempbuf[BUFSIZ],
38: sCmdAct[BUFSIZ];
39: argv[argc] = 0;
40: parms[0] = 0;
41: debugflg = DBV;
42:
43: strcpy(sLprCommand,"lpr");
44:
45: argv++; argc--;
46: Iflag = 0;
47: while(argc > 0 && argv[0][0] == '-'){
48: if( Iflag ) {
49: strcat( parms, argv[0] );
50: strcat( parms, " " );
51: argc--; argv++;
52: continue;
53: }
54: switch(argv[0][1]){
55: case 'c': harg(sLprCommand); break;
56: case 'f': status.force++; break;
57: case 'l': harg(status.login); break;
58: case 'm': harg(tempbuf);
59: remote = lookup(tempbuf);
60: if(remote == 0){
61: fprintf(stderr,"Unknown machine %s\n",tempbuf);
62: exit(EX_NOHOST);
63: }
64: break;
65: case 'n': status.nowrite++; break;
66: case 'p': harg(status.mpasswd); break;
67: case 'q': status.quiet++; break;
68: case 'I': Iflag++; break;
69: default: strcat(parms,argv[0]); strcat(parms," "); break;
70: }
71: argc--, argv++;
72: }
73: /* read the .netrc file, to get a value for "remote" */
74: commandfile();
75: if(remote == 0)remote = getremote(local);
76: /* fnoacct is true if no password is needed to netlpr */
77: fnoacct = machtype[chtoinx(remote)]==M_CC
78: && machtype[chtoinx(local)]==M_CC;
79:
80: if(fnoacct){ /* no acct needed. */
81: /* look in passwd file for jobno */
82: uid = getuid();
83: passwdent();
84: sprintf(suid,"%d",uid);
85: } else {
86: /* get status.localname */
87: sn = SnFromUid(getuid());
88: if(sn == NULL){
89: fprintf(stderr,"Unknown userid\n");
90: exit(EX_OSFILE);
91: }
92: strcpy(status.localname,sn);
93: /* prompt for login and passwd */
94: envloginpasswd(remote,status.login,status.mpasswd);
95: promptlogin(remote);
96: }
97:
98: /* check to see that the lpr command is one of the approved set */
99: if(strcmp(sLprCommand,"lpr") != 0
100: && strcmp(sLprCommand,"vpr") != 0
101: && strcmp(sLprCommand,"epr") != 0
102: && strcmp(sLprCommand,"bpr") != 0){
103: fprintf(stderr,
104: "May not execute the '%s' command from netlpr.\n",
105: sLprCommand);
106: exit(EX_USAGE);
107: }
108:
109: do {
110: if(fnoacct)
111: sprintf(sCmdAct,"%s -c%s,%s %s",
112: sLprCommand,status.jobno,status.localname,parms);
113: else sprintf(sCmdAct,"%s %s",sLprCommand,parms);
114:
115: sprintf(tomachstr,"-m%c",remote);
116: sprintf(realcmd,"netlpr %s%s",parms,(argc > 0 ? argv[0] : ""));
117:
118: while((pid = fork()) == -1)sleep(2);
119: if(pid == 0){
120: if(argc > 0){
121: if(access(argv[0],04) == -1){
122: perror(argv[0]);
123: exit(EX_USAGE);
124: }
125: # ifdef NOREMACCT
126: if(fnoacct){
127: setuid(0);
128: mexecl(netcmd,"net",tomachstr,"-y",
129: "-l",status.localname,"-u",suid,
130: "-s",argv[0],"-c",realcmd,sCmdAct,0);
131: perror(netcmd);
132: }
133: else
134: # endif
135: {
136: kexecl(netcmd,"net",tomachstr,
137: "-s",argv[0],"-c",realcmd,sCmdAct,0);
138: perror(netcmd);
139: }
140: }
141: else {
142: # ifdef NOREMACCT
143: if(fnoacct){
144: setuid(0);
145: mexecl(netcmd,"net",tomachstr,"-y","-b","-",
146: "-l","root","-u",suid,
147: "-c",realcmd,sCmdAct,0);
148: perror(netcmd);
149: }
150: else
151: # endif
152: {
153: kexecl(netcmd,"net",tomachstr, "-",
154: "-c",realcmd,sCmdAct,0);
155: perror(netcmd);
156: }
157: }
158: fprintf(stderr,"Network is down\n");
159: exit(EX_UNAVAILABLE);
160: }
161: wait(&rcode);
162: argc--, argv++;
163: } while(argc > 0);
164: exit(rcode >> 8);
165: }
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