projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| e804469b | 1 | static char sccsid[] = "@(#)netlpr.c 4.1 (Berkeley) 9/12/82"; |
| 0030a8f9 KM |
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 | } |