citadel/aidepost.c

   1 /*
   2  * $Id$
   3  *
   4  * This is just a little hack to copy standard input to a message in Aide>
   5  */
   6
   7 #include <stdlib.h>
   8 #include <unistd.h>
   9 #include <stdio.h>
  10 #include <time.h>
  11 #include <limits.h>
  12 #include <errno.h>
  13 #include <string.h>
  14 #include "citadel.h"
  15 #include "config.h"
  16
  17 void make_message(FILE *fp, char *target_room, char *author)
  18 {
  19         int a;
  20         long bb, cc;
  21         time_t now;
  22         time(&now);
  23         putc(255, fp);
  24         putc(MES_NORMAL, fp);
  25         putc(1, fp);
  26         fprintf(fp, "Proom_aide");
  27         putc(0, fp);
  28         fprintf(fp, "T%ld", (long)now);
  29         putc(0, fp);
  30         fprintf(fp, "A%s", author);
  31         putc(0, fp);
  32         fprintf(fp, "O%s", target_room);
  33         putc(0, fp);
  34         fprintf(fp, "N%s", NODENAME);
  35         putc(0, fp);
  36         putc('M', fp);
  37         bb = ftell(fp);
  38         while (a = getc(stdin), a > 0) {
  39                 if (a != 8)
  40                         putc(a, fp);
  41                 else {
  42                         cc = ftell(fp);
  43                         if (cc != bb)
  44                                 fseek(fp, (-1L), 1);
  45                 }
  46         }
  47         putc(0, fp);
  48         putc(0, fp);
  49         putc(0, fp);
  50 }
  51
  52 int main(int argc, char **argv)
  53 {
  54         char tempspool[64];
  55         char target_room[ROOMNAMELEN];
  56         char author[64];
  57         FILE *tempfp, *spoolfp;
  58         int ch;
  59         int i;
  60
  61         get_config();
  62
  63         strcpy(target_room, "Aide");
  64         strcpy(author, "Citadel");
  65         for (i=1; i<argc; ++i) {
  66                 if (!strncasecmp(argv[i], "-r", 2)) {
  67                         strncpy(target_room, &argv[i][2], sizeof(target_room));
  68                         target_room[sizeof(target_room)-1] = 0;
  69                 }
  70                 else if (!strncasecmp(argv[i], "-a", 2)) {
  71                         strncpy(author, &argv[i][2], sizeof(author));
  72                         author[sizeof(author)-1] = 0;
  73                 } else {
  74                         fprintf(stderr, "%s: usage: %s "
  75                                         "[-rTargetRoom] [-aAuthor]\n",
  76                                 argv[0], argv[0]);
  77                         exit(1);
  78                 }
  79         }
  80
  81
  82         snprintf(tempspool, sizeof tempspool, "./network/spoolin/ap.%d",
  83                 getpid());
  84
  85         tempfp = tmpfile();
  86         if (tempfp == NULL) {
  87                 perror("cannot open temp file");
  88                 exit(errno);
  89         }
  90
  91         /* Generate a message from stdin */
  92         make_message(tempfp, target_room, author);
  93
  94         /* Copy it to a new temp file in the spool directory */
  95         rewind(tempfp);
  96
  97         spoolfp = fopen(tempspool, "wb");
  98         if (spoolfp == NULL) {
  99                 perror("cannot open spool file");
 100                 exit(errno);
 101         }
 102         while (ch = getc(tempfp), (ch >= 0))
 103                 putc(ch, spoolfp);
 104
 105         fclose(tempfp);
 106         fclose(spoolfp);
 107
 108         execlp("./netproc", "netproc", "-i", NULL);
 109         perror("cannot run netproc");
 110         exit(errno);
 111 }