projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 1c15e888 | 1 | static char sccsid[] = "@(#)sendberkmail.c 4.1 (Berkeley) 9/12/82"; |
| 77184282 KM |
2 | |
| 3 | # include "defs.h" | |
| 4 | ||
| 5 | /* | |
| 6 | Usage: | |
| 7 | sendberkmail [-m mach ] [-f addrfrom] [-h hopcnt] -t addrto | |
| 8 | ||
| 9 | Archaic Usage: | |
| 10 | sendberkmail mach:user | |
| 11 | ||
| 12 | Send remote mail to user on mach. | |
| 13 | Only one addrto allowed. | |
| 14 | ||
| 15 | Sendberkmail uses the network to send an mmail command | |
| 16 | to the remote machine. It specifies the source, destination, | |
| 17 | and a hop count only. | |
| 18 | ||
| 19 | Sendberkmail uses the -q option of net, so only error msgs | |
| 20 | and non-zero return codes will be sent back. | |
| 21 | ||
| 22 | It is best to think of sendberkmail as a transport mechanism: | |
| 23 | It takes mail from one machine to another machine (specified | |
| 24 | using the -m option) and executes the local mail program | |
| 25 | there with a to-address of "addrto", and a from-address | |
| 26 | of "addrfrom". If the -m option is not given, it parses the | |
| 27 | "addrto" field to get a berkeley network address. | |
| 28 | This extreme generality is necessary when destinations are on | |
| 29 | different networks, consider a command from the Ing70: | |
| 30 | ||
| 31 | sendberkmail -m csvax -f schmidt@parc -t research!chuck | |
| 32 | ||
| 33 | This is clearly a forwarding function- send mail from the Arpanet | |
| 34 | to the Bell Net, which calls our CSVAX. | |
| 35 | Alternatively, executed on the CSVAX, | |
| 36 | sendberkmail -m ing70 -f research!chuck -t schmidt@parc | |
| 37 | sends mail the other way. | |
| 38 | ||
| 39 | There is duplication in the arguments because of | |
| 40 | a need to convert to labelled parameters. | |
| 41 | See the note in mmail.c to that effect. | |
| 42 | ||
| 43 | ||
| 44 | Options: | |
| 45 | -t addrto mail command on remote machine will be | |
| 46 | fed "addrto" as address | |
| 47 | -f addrfrom mail will be "From" addrfrom | |
| 48 | -m mach send this mail to the "mach" machine | |
| 49 | -h hopcnt if this hopcnt hits a threshold, there | |
| 50 | is presumed to be an infinite loop. | |
| 51 | ||
| 52 | */ | |
| 53 | main(argc,argv) | |
| 54 | char **argv; { | |
| 55 | char addrto[BUFSIZ], addrfrom[BUFSIZ], *sn; | |
| 56 | char mchto = 0, snto[BUFSIZ], snfrom[BUFSIZ], smchto[20], mchfrom; | |
| 57 | int cmdstr[BUFSIZ], hopcntstr[20]; | |
| 58 | char rcmd[BUFSIZ]; | |
| 59 | int hopcnt = 0; | |
| 60 | ||
| 61 | argc[argv] = 0; | |
| 62 | debugflg = DBV; | |
| 63 | addrfrom[0] = 0; | |
| 64 | addrto[0] = 0; | |
| 65 | ||
| 66 | while(argc > 1 && argv[1][0] == '-'){ | |
| 67 | argc--; argv++; | |
| 68 | switch(argv[0][1]){ | |
| 69 | case 'f': | |
| 70 | harg(addrfrom); | |
| 71 | break; | |
| 72 | case 'h': | |
| 73 | harg(hopcntstr); | |
| 74 | hopcnt = atoi(hopcntstr); | |
| 75 | break; | |
| 76 | case 'm': | |
| 77 | harg(smchto); | |
| 78 | mchto = lookup(smchto); | |
| 79 | break; | |
| 80 | case 't': | |
| 81 | harg(addrto); | |
| 82 | break; | |
| 83 | /* it is important to ignore unknown flags | |
| 84 | for compatibility reasons */ | |
| 85 | } | |
| 86 | } | |
| 87 | ||
| 88 | /* handle to address */ | |
| 89 | if(argc > 1)strcpy(addrto,argv[1]); | |
| 90 | if(addrto[0] == 0){ | |
| 91 | fprintf(stderr,"Usage: sendberkmail mach:user\n"); | |
| 92 | exit(EX_USAGE); | |
| 93 | } | |
| 94 | if(mchto == 0) | |
| 95 | mchto = MchSFromAddr(snto,addrto); | |
| 96 | else | |
| 97 | strcpy(snto,addrto); | |
| 98 | if(mchto == 0){ | |
| 99 | fprintf(stderr,"Unknown host %s\n",addrto); | |
| 100 | exit(EX_NOHOST); | |
| 101 | }; | |
| 102 | if(mchto == local){ | |
| 103 | fprintf(stderr, | |
| 104 | "Use mail to send to %s on this machine. Mail not delivered.\n", | |
| 105 | addrto); | |
| 106 | exit(EX_NOUSER); | |
| 107 | } | |
| 108 | sprintf(rcmd,"mail %s",addrto); | |
| 109 | ||
| 110 | /* handle from address */ | |
| 111 | if(addrfrom[0] == 0){ | |
| 112 | char name[100]; | |
| 113 | SnCurrent(name); | |
| 114 | sprintf(addrfrom,"%s:%s",longname(local),name); | |
| 115 | } | |
| 116 | mchfrom = MchSFromAddr(snfrom,addrfrom); | |
| 117 | ||
| 118 | /* uses new options of mmail */ | |
| 119 | /* X's are for compatibility with mmail */ | |
| 120 | sprintf(cmdstr,"%s XXX XXX XXX -f '%s' -t '%s' -h %d", MMAILCMD, | |
| 121 | addrfrom,addrto,hopcnt); | |
| 122 | /* old code: | |
| 123 | sprintf(cmdstr,"%s '%s' %s '%s'", MMAILCMD,snfrom, | |
| 124 | longname(mchfrom),snto); | |
| 125 | */ | |
| 126 | ||
| 127 | ||
| 128 | mexecl(netcmd,"net","-m",longname(mchto),"-q","-l","network", | |
| 129 | "-","-c",rcmd,cmdstr,0); | |
| 130 | perror(netcmd); | |
| 131 | fprintf(stderr,"Network is down\n"); | |
| 132 | exit(EX_UNAVAILABLE); | |
| 133 | } | |
| 134 | ||
| 135 | SnCurrent(name) | |
| 136 | char *name; | |
| 137 | { | |
| 138 | char *sn; | |
| 139 | sn = getlogin(); | |
| 140 | if(sn == NULL || *sn == 0 || *sn == ' '){ | |
| 141 | struct passwd *pwd; | |
| 142 | pwd = getpwuid(getuid()); /* will read passwd file */ | |
| 143 | if(pwd != NULL) sn = pwd->pw_name; | |
| 144 | if(sn == NULL){ | |
| 145 | fprintf(stderr,"Who are you?\n"); | |
| 146 | exit(EX_OSERR); | |
| 147 | } | |
| 148 | } | |
| 149 | strcpy(name, sn); | |
| 150 | } |