whowas/whowas_commands.c

   1 #include <stdio.h>
   2 #include <string.h>
   3 #include "../core/hooks.h"
   4 #include "../control/control.h"
   5 #include "../irc/irc.h"
   6 #include "../lib/irc_string.h"
   7 #include "../lib/version.h"
   8 #include "whowas.h"
   9
  10 MODULE_VERSION("");
  11
  12 static int whowas_cmdwhowas(void *source, int cargc, char **cargv) {
  13   nick *sender = source;
  14   char *pattern;
  15   whowas *ww;
  16   nick *np;
  17   int i;
  18   char hostmask[WW_MASKLEN + 1];
  19   int matches = 0, limit = 500;
  20
  21   if (cargc < 1)
  22     return CMD_USAGE;
  23
  24   pattern = cargv[0];
  25
  26   if (cargc > 1)
  27     limit = strtol(cargv[1], NULL, 10);
  28
  29   for (i = whowasoffset; i < whowasoffset + WW_MAXENTRIES; i++) {
  30     ww = &whowasrecs[i % WW_MAXENTRIES];
  31
  32     if (ww->type == WHOWAS_UNUSED)
  33       continue;
  34
  35     np = &ww->nick;
  36     snprintf(hostmask, sizeof(hostmask), "%s!%s@%s", np->nick, np->ident, np->host->name->content);
  37
  38     if (match2strings(pattern, hostmask)) {
  39       matches++;
  40
  41       if (matches <= limit)
  42         controlreply(sender, "%s", whowas_format(ww));
  43       else if (matches == limit + 1)
  44         controlreply(sender, "--- More than %d matches, skipping the rest", limit);
  45     }
  46   }
  47
  48   controlreply(sender, "--- Found %d entries.", matches);
  49
  50   return CMD_OK;
  51 }
  52
  53 static int whowas_cmdwhowaschase(void *source, int cargc, char **cargv) {
  54   nick *sender = source;
  55   whowas *ww;
  56
  57   if (cargc < 1)
  58     return CMD_USAGE;
  59
  60   ww = whowas_chase(cargv[0], 900);
  61
  62   if (!ww) {
  63     controlreply(sender, "No whowas record found.");
  64     return CMD_OK;
  65   }
  66
  67   controlreply(sender, "%s", whowas_format(ww));
  68   controlreply(sender, "Done.");
  69
  70   return CMD_OK;
  71 }
  72
  73 void _init(void) {
  74   registercontrolhelpcmd("whowas", NO_OPER, 2, &whowas_cmdwhowas, "Usage: whowas <mask> ?limit?\nLooks up information about recently disconnected users.");
  75   registercontrolhelpcmd("whowaschase", NO_OPER, 2, &whowas_cmdwhowaschase, "Usage: whowaschase <nick>\nFinds most-recent whowas record for a nick.");
  76 }
  77
  78 void _fini(void) {
  79   deregistercontrolcmd("whowas", &whowas_cmdwhowas);
  80   deregistercontrolcmd("whowaschase", &whowas_cmdwhowaschase);
  81 }