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Annotation of 42BSD/old/berknet/netmail.c, revision 1.1

1.1     ! root        1: static char sccsid[] = "@(#)netmail.c  4.1     (Berkeley)      9/12/82";
        !             2: 
        !             3: /* sccs id variable */
        !             4: static char *netmail_sid = "@(#)netmail.c      1.2";
        !             5: /*
        !             6: 
        !             7: 
        !             8:  netmail [-c] [-l ...] [-p ...] [-f] [-n] [-q] ([mach] | [mach:username])
        !             9: 
        !            10:    Read mail on remote machine "mach"
        !            11:    Sends a command to the remote machine to "mail" the mail
        !            12:    to this machine.
        !            13: 
        !            14:    If the -c option is specified, this command is a mail check command,
        !            15:    and in this mode it logs into the remote machine as "network"
        !            16:    and determines if mach:username has mail.
        !            17:    It writes/mails a message to that effect.
        !            18:    This variant is intended to be used in .login files, silently
        !            19:    checking if you have mail on another machine.
        !            20: 
        !            21:    Must duplicate effort that will be redone by the net command-
        !            22:    the calls to commandfile and promptlogin are necessary
        !            23:    to get a value for the login name to send to the prmail
        !            24:    command on the other machine.
        !            25:    May read the passwd file:
        !            26:        1. Commandfile calls getenv(HOME) to get the home directory.
        !            27:           If not easily reached,....
        !            28:        2. SnCurrent() calls getlogin(). If no entry in utmp file,
        !            29:           will read passwd file.
        !            30:  */
        !            31: # include "defs.h"
        !            32: 
        !            33: /* global variables */
        !            34: struct userinfo status;
        !            35: 
        !            36: main(argc,argv)
        !            37:   char **argv; {
        !            38:        char *s;
        !            39:        char machparm[BUFSIZ], fromaddress[BUFSIZ], fMailCheck = 0;
        !            40:        char rcmd[BUFSIZ], fquiet = 0;
        !            41:        debugflg = DBV;
        !            42:        strcpy(rcmd,"netmail");
        !            43:        argc--; argv++;
        !            44:        while(argc > 0 && argv[0][0] == '-'){
        !            45:                switch(argv[0][1]){
        !            46:                case 'b':       status.nonotify++; appss(rcmd,argv[0]); break;
        !            47:                case 'c':       fMailCheck++;      appss(rcmd,argv[0]); break;
        !            48:                case 'f':       status.force++;    appss(rcmd,argv[0]); break;
        !            49:                case 'l':       harg(status.login); break;
        !            50:                case 'n':       status.nowrite++;  appss(rcmd,argv[0]); break;
        !            51:                case 'p':       harg(status.mpasswd); break;
        !            52:                case 'q':       fquiet = 1;        appss(rcmd,argv[0]); break;
        !            53:                default:
        !            54:                        fprintf(stderr,
        !            55:        "Usage: netmail [-l login] [-p password] [-c] [-f] [-n] [-q] [mach]\n");
        !            56:                        exit(EX_USAGE);
        !            57:                }
        !            58:                argc--, argv++;
        !            59:                }
        !            60:        if(argc > 0){
        !            61:                if(FMemberSCh(argv[0],':'))
        !            62:                        remote = MchSFromAddr(status.login,argv[0]);
        !            63:                else
        !            64:                        remote = lookup(argv[0]);
        !            65:                if(remote == 0){
        !            66:                        fprintf(stderr,"Unknown machine %s\n",argv[0]);
        !            67:                        exit(EX_NOHOST);
        !            68:                }
        !            69:                appss(rcmd,argv[0]);
        !            70:        }
        !            71: 
        !            72:        /* read the .netrc file to get a value for remote */
        !            73:        /* will get status.login, passwd, and force for fetch variant */
        !            74:        commandfile();
        !            75:        if(remote == 0)remote = getremote(local);
        !            76:        sprintf(machparm,"-m%c",remote);
        !            77:                
        !            78: 
        !            79:        if(remote == local){
        !            80:                fprintf(stderr,
        !            81:                "Use the mail command to read your mail on this machine.\n");
        !            82:                exit(EX_USAGE);
        !            83:        }
        !            84: 
        !            85: /* read pw file, get local addr to send to prmail, store in status.localname */
        !            86:        s = SnFromUid(getuid());
        !            87:        if(s == NULL){
        !            88:                fprintf(stderr,"Unknown local user\n");
        !            89:                exit(EX_OSFILE);
        !            90:        }
        !            91:        strcpy(status.localname,s);
        !            92:        sprintf(fromaddress,"%s:%s",longname(local),s);
        !            93: 
        !            94:        /* mail check variant */
        !            95:        if(fMailCheck){
        !            96:                if(status.login[0] == 0){
        !            97:                        fprintf(stderr,
        !            98:                        "Must supply a remote user name for mail check.\n");
        !            99:                        exit(EX_USAGE);
        !           100:                }
        !           101:                /* send mail check over, no passwd needed */
        !           102:                if(fquiet)
        !           103:                        mexecl(netcmd,"net","-q",machparm,"-l","network",
        !           104:                        "-c",rcmd,
        !           105:                        PRMAIL,"-c","-l",status.login,"-f",fromaddress,0);
        !           106:                else
        !           107:                        mexecl(netcmd,"net","-q",machparm,"-l","network",
        !           108:                        "-c",rcmd,
        !           109:                        PRMAIL,"-c","-l",status.login,"-f",fromaddress,"-k",0);
        !           110:                perror(netcmd);
        !           111:                fprintf(stderr,"Network is down\n");
        !           112:                exit(EX_UNAVAILABLE);
        !           113:        }
        !           114: 
        !           115:        /* mail forward variant */
        !           116: 
        !           117:        /* 
        !           118:           get name to send as parameter to prmail.
        !           119:           required for multiple login names with the same uid's
        !           120:           stored in status.login
        !           121:        */
        !           122:        envloginpasswd(remote,status.login,status.mpasswd); /* look in env */
        !           123:        promptlogin(remote);    /* prompt for name, passwd explicitely */
        !           124: 
        !           125:        if(fquiet)
        !           126:                kexecl(netcmd,"net","-q",machparm,"-c",rcmd,PRMAIL,"-l",
        !           127:                        status.login,"-f",fromaddress,"-r",0);
        !           128:        else
        !           129:                kexecl(netcmd,"net","-q",machparm,"-c",rcmd,PRMAIL,"-l",
        !           130:                        status.login,"-f",fromaddress,"-r","-k",0);
        !           131:        perror(netcmd);
        !           132:        fprintf(stderr,"Network is down\n");
        !           133:        exit(EX_UNAVAILABLE);
        !           134:        }
        !           135: /*
        !           136:        append string sfrom to end of string sto, preceded by blank */
        !           137: appss(sto,sfrom)
        !           138:        register char *sto, *sfrom;
        !           139: {
        !           140:        strcat(sto," ");
        !           141:        strcat(sto,sfrom);
        !           142: }

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