| 1 | # |
| 2 | |
| 3 | /* |
| 4 | * Mail -- a mail program |
| 5 | * |
| 6 | * EECS Cory 11/70 Version 7.0 |
| 7 | * |
| 8 | * Local routines that are installation dependent. |
| 9 | * All fiddlers please note: if you make careful note of |
| 10 | * what you change here, I will incorporate your changes and |
| 11 | * you won't have to remake them each release. |
| 12 | */ |
| 13 | |
| 14 | static char *SccsId = "@(#)c.local.c 2.1 %G%"; |
| 15 | |
| 16 | #include "rcv.h" |
| 17 | #include <pwd.h> |
| 18 | |
| 19 | /* |
| 20 | * Locate the user's mailbox file (ie, the place where new, unread |
| 21 | * mail is queued). At Cory, it is in /usr/spool/mail/name. |
| 22 | */ |
| 23 | |
| 24 | findmail() |
| 25 | { |
| 26 | register char *cp; |
| 27 | |
| 28 | cp = copy("/usr/spool/mail/", mailname); |
| 29 | copy(myname, cp); |
| 30 | } |
| 31 | |
| 32 | /* |
| 33 | * Get rid of the queued mail. |
| 34 | */ |
| 35 | |
| 36 | demail() |
| 37 | { |
| 38 | register int p; |
| 39 | |
| 40 | close(creat(mailname, 0666)); |
| 41 | alter(mailname); |
| 42 | } |
| 43 | |
| 44 | /* |
| 45 | * Mail file lock / unlock. |
| 46 | * Insignificant on Cory version 7, since /usr/spool/mail not |
| 47 | * generally writable. |
| 48 | */ |
| 49 | |
| 50 | lock(name) |
| 51 | char *name; |
| 52 | { |
| 53 | |
| 54 | return(0); |
| 55 | } |
| 56 | |
| 57 | unlock() |
| 58 | { |
| 59 | |
| 60 | return(0); |
| 61 | } |
| 62 | |
| 63 | /* |
| 64 | * Discover user login name. |
| 65 | */ |
| 66 | |
| 67 | username(uid, namebuf) |
| 68 | char namebuf[]; |
| 69 | { |
| 70 | register char *np; |
| 71 | |
| 72 | if (uid == getuid() && (np = getenv("USER")) != NOSTR) { |
| 73 | strncpy(namebuf, np, 9); |
| 74 | return(0); |
| 75 | } |
| 76 | return(getname(uid, namebuf)); |
| 77 | } |
| 78 | |
| 79 | /* |
| 80 | * Discover user name from uid. Uses the fancy hashed passwd |
| 81 | * data base available only on Cory Unix. |
| 82 | */ |
| 83 | |
| 84 | getname(uid, namebuf) |
| 85 | char namebuf[]; |
| 86 | { |
| 87 | struct passwd *gp; |
| 88 | struct passwd *getpwuid(); |
| 89 | |
| 90 | gp = getpwuid(uid); |
| 91 | if (gp == (struct passwd *) 0) |
| 92 | return(-1); |
| 93 | strcpy(namebuf, gp->pw_name); |
| 94 | return(0); |
| 95 | } |
| 96 | |
| 97 | /* |
| 98 | * Cory hall getuserid |
| 99 | */ |
| 100 | |
| 101 | getuserid(name) |
| 102 | char name[]; |
| 103 | { |
| 104 | struct passwd *gp; |
| 105 | struct passwd *getpwnam(); |
| 106 | |
| 107 | if ((gp = getpwnam(name)) == (struct passwd *) 0) |
| 108 | return(-1); |
| 109 | return(gp->pw_uid); |
| 110 | } |