projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 18820e95 C |
1 | /* netmail.c - queue mail for the network server */ |
| 2 | ||
| 3 | /* LINTLIBRARY */ | |
| 4 | ||
| 5 | #include "../h/strings.h" | |
| 6 | #include <stdio.h> | |
| 7 | #include "../zotnet/mts.h" | |
| 8 | ||
| 9 | ||
| 10 | #define NOTOK (-1) | |
| 11 | #define OK 0 | |
| 12 | ||
| 13 | #define NBYTES 8 | |
| 14 | ||
| 15 | ||
| 16 | static int files = 0; | |
| 17 | ||
| 18 | static char hex[] = "0123456789ABCDEF"; | |
| 19 | ||
| 20 | static union { | |
| 21 | char nbytes[NBYTES]; | |
| 22 | ||
| 23 | struct { | |
| 24 | long clock; | |
| 25 | short pid; | |
| 26 | short id; | |
| 27 | } stamp; | |
| 28 | } template; | |
| 29 | ||
| 30 | static char quefil[BUFSIZ]; | |
| 31 | static char wrkfil[BUFSIZ]; | |
| 32 | static FILE * fp; | |
| 33 | ||
| 34 | ||
| 35 | long time (); | |
| 36 | char *cdate (), *ctime (); | |
| 37 | ||
| 38 | /* \f */ | |
| 39 | ||
| 40 | int nm_init (user, clock) | |
| 41 | register char *user; | |
| 42 | register long *clock; | |
| 43 | { | |
| 44 | quefile (quefil, wrkfil); | |
| 45 | ||
| 46 | (void) unlink (wrkfil); | |
| 47 | if ((fp = fopen (wrkfil, "w")) == NULL) | |
| 48 | return NOTOK; | |
| 49 | (void) chmod (wrkfil, 0600); | |
| 50 | ||
| 51 | fprintf (fp, "%s %s\n", user, cdate (clock)); | |
| 52 | ||
| 53 | return OK; | |
| 54 | } | |
| 55 | ||
| 56 | ||
| 57 | int nm_wadr (mbox, host) | |
| 58 | register char *mbox, | |
| 59 | *host; | |
| 60 | { | |
| 61 | fprintf (fp, "/%s %s\n", host, mbox); | |
| 62 | ||
| 63 | return OK; | |
| 64 | } | |
| 65 | ||
| 66 | ||
| 67 | int nm_waend () { | |
| 68 | putc ('\n', fp); | |
| 69 | ||
| 70 | return OK; | |
| 71 | } | |
| 72 | ||
| 73 | ||
| 74 | int nm_wtxt (buffer, cnt) | |
| 75 | register char *buffer; | |
| 76 | register int cnt; | |
| 77 | { | |
| 78 | if (fwrite (buffer, sizeof *buffer, cnt, fp) != cnt) | |
| 79 | return NOTOK; | |
| 80 | ||
| 81 | return OK; | |
| 82 | } | |
| 83 | ||
| 84 | ||
| 85 | int nm_wtend () { | |
| 86 | (void) fclose (fp); | |
| 87 | if (link (wrkfil, quefil) == NOTOK || unlink (wrkfil) == NOTOK) | |
| 88 | return NOTOK; | |
| 89 | ||
| 90 | return OK; | |
| 91 | } | |
| 92 | ||
| 93 | /* \f */ | |
| 94 | ||
| 95 | static quefile (que, lnk) | |
| 96 | register char *que, | |
| 97 | *lnk; | |
| 98 | { | |
| 99 | register char *p, | |
| 100 | *q; | |
| 101 | char buffer[BUFSIZ]; | |
| 102 | ||
| 103 | template.stamp.pid = getpid (); | |
| 104 | template.stamp.id = files++; | |
| 105 | if (files >= 256) { | |
| 106 | files = 0; | |
| 107 | sleep (1); | |
| 108 | } | |
| 109 | (void) time (&template.stamp.clock); | |
| 110 | ||
| 111 | p = buffer; | |
| 112 | for (q = template.nbytes; q < &template.nbytes[NBYTES]; q++) { | |
| 113 | *p++ = hex[(*q >> 4) & 0xf]; | |
| 114 | *p++ = hex[(*q) & 0xf]; | |
| 115 | } | |
| 116 | *p = NULL; | |
| 117 | ||
| 118 | (void) sprintf (que, "%s/%s", Mailqdir, buffer); | |
| 119 | (void) sprintf (lnk, "%s/%s", TMailqdir, buffer); | |
| 120 | } | |
| 121 | ||
| 122 | /* \f */ | |
| 123 | ||
| 124 | static char *cdate (clock) | |
| 125 | register long *clock; | |
| 126 | { | |
| 127 | char *cp; | |
| 128 | ||
| 129 | cp = ctime (clock); | |
| 130 | cp[1] = cp[8]; | |
| 131 | cp[2] = cp[9]; | |
| 132 | cp[3] = '-'; | |
| 133 | cp[7] = '-'; | |
| 134 | cp[8] = cp[22]; | |
| 135 | cp[9] = cp[23]; | |
| 136 | cp[10] = '@'; | |
| 137 | cp[19] = NULL; | |
| 138 | ||
| 139 | return cp + 1; | |
| 140 | } |