newsearch/ns-notice.c

   1 /*
   2  * NOTICE functionality
   3  * ---------
   4  * Use of markers allows us to use notice in both channel and nick searches so we can have newserv notice everyone on a channel and/or
   5  * everyone matching a certain nick_search pattern.
   6  */
   7
   8 #include "newsearch.h"
   9
  10 #include <stdio.h>
  11 #include <stdlib.h>
  12
  13 #include "../control/control.h" /* controlreply() */
  14 #include "../lib/irc_string.h" /* IPtostr() */
  15 #include "../lib/strlfunc.h"
  16
  17 extern nick *senderNSExtern;
  18
  19 void *notice_exe(searchCtx *ctx, struct searchNode *thenode, void *theinput);
  20 void notice_free(searchCtx *ctx, struct searchNode *thenode);
  21
  22 struct notice_localdata {
  23   unsigned int marker;
  24   int count;
  25   char message[NSMAX_NOTICE_LEN];
  26 };
  27
  28 struct searchNode *notice_parse(searchCtx *ctx, int argc, char **argv) {
  29   struct notice_localdata *localdata;
  30   struct searchNode *thenode;
  31
  32   if (!(localdata = (struct notice_localdata *) malloc(sizeof(struct notice_localdata)))) {
  33     parseError = "malloc: could not allocate memory for this search.";
  34     return NULL;
  35   }
  36   localdata->count = 0;
  37   if (ctx->searchcmd == reg_chansearch)
  38     localdata->marker = nextchanmarker();
  39   else if (ctx->searchcmd == reg_nicksearch)
  40     localdata->marker = nextnickmarker();
  41   else {
  42     parseError = "notice: invalid search type";
  43     return NULL;
  44   }
  45   if (argc==1) {
  46     strlcpy(localdata->message, argv[0], sizeof(localdata->message));
  47   }
  48   else {
  49     /* no notice to send out ... */
  50     parseError = "Warning: you did not specify a message to notice out.";
  51     free(localdata);
  52     return NULL;
  53   }
  54
  55   if (!(thenode=(struct searchNode *)malloc(sizeof (struct searchNode)))) {
  56     /* couldn't malloc() memory for thenode, so free localdata to avoid leakage */
  57     parseError = "malloc: could not allocate memory for this search.";
  58     free(localdata);
  59     return NULL;
  60   }
  61
  62   thenode->returntype = RETURNTYPE_BOOL;
  63   thenode->localdata = localdata;
  64   thenode->exe = notice_exe;
  65   thenode->free = notice_free;
  66
  67   return thenode;
  68 }
  69
  70 void *notice_exe(searchCtx *ctx, struct searchNode *thenode, void *theinput) {
  71   struct notice_localdata *localdata;
  72   nick *np;
  73   chanindex *cip;
  74
  75   localdata = thenode->localdata;
  76
  77   if (ctx->searchcmd == reg_chansearch) {
  78     cip = (chanindex *)theinput;
  79     cip->marker = localdata->marker;
  80     localdata->count += cip->channel->users->totalusers;
  81   }
  82   else {
  83     np = (nick *)theinput;
  84     np->marker = localdata->marker;
  85     localdata->count++;
  86   }
  87
  88   return (void *)1;
  89 }
  90
  91 void notice_free(searchCtx *ctx, struct searchNode *thenode) {
  92   struct notice_localdata *localdata;
  93   nick *np, *nnp;
  94   chanindex *cip, *ncip;
  95   int i, j;
  96   unsigned int nickmarker;
  97
  98   localdata = thenode->localdata;
  99
 100   if (ctx->searchcmd == reg_chansearch) {
 101     nickmarker=nextnickmarker();
 102     for (i=0;i<CHANNELHASHSIZE;i++) {
 103       for (cip=chantable[i];cip;cip=ncip) {
 104         ncip = cip->next;
 105         if (cip != NULL && cip->channel != NULL && cip->marker == localdata->marker) {
 106           for (j=0;j<cip->channel->users->hashsize;j++) {
 107             if (cip->channel->users->content[j]==nouser)
 108               continue;
 109
 110             if ((np=getnickbynumeric(cip->channel->users->content[j])))
 111               np->marker=nickmarker;
 112           }
 113         }
 114       }
 115     }
 116     for (i=0;i<NICKHASHSIZE;i++) {
 117       for(np=nicktable[i];np;np=nnp) {
 118         nnp = np->next;
 119         if (np->marker == nickmarker)
 120           controlnotice(np, localdata->message);
 121       }
 122     }
 123   }
 124   else {
 125     for (i=0;i<NICKHASHSIZE;i++) {
 126       for (np=nicktable[i];np;np=nnp) {
 127         nnp = np->next;
 128         if (np->marker == localdata->marker)
 129          controlnotice(np, localdata->message);
 130       }
 131     }
 132   }
 133   /* notify opers of the action */
 134   ctx->wall(NL_BROADCASTS, "%s/%s sent the following message to %d %s: %s", senderNSExtern->nick, senderNSExtern->authname, localdata->count, localdata->count != 1 ? "users" : "user", localdata->message);
 135   free(localdata);
 136   free(thenode);
 137 }