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   int len;
  32
  33   if (!(localdata = (struct notice_localdata *) malloc(sizeof(struct notice_localdata)))) {
  34     parseError = "malloc: could not allocate memory for this search.";
  35     return NULL;
  36   }
  37   localdata->count = 0;
  38   if (ctx->searchcmd == reg_chansearch)
  39     localdata->marker = nextchanmarker();
  40   else if (ctx->searchcmd == reg_nicksearch)
  41     localdata->marker = nextnickmarker();
  42   else {
  43     parseError = "notice: invalid search type";
  44     return NULL;
  45   }
  46   if (argc==1) {
  47     char *p = argv[0];
  48     if(*p == '\"')
  49       p++;
  50     len = strlcpy(localdata->message, p, sizeof(localdata->message));
  51     if(len >= sizeof(localdata->message)) {
  52       localdata->message[sizeof(localdata->message)-1] = '\0';
  53     } else {
  54       localdata->message[len-1] = '\0';
  55     }
  56   }
  57   else {
  58     /* no notice to send out ... */
  59     parseError = "Warning: you did not specify a message to notice out.";
  60     free(localdata);
  61     return NULL;
  62   }
  63
  64   if (!(thenode=(struct searchNode *)malloc(sizeof (struct searchNode)))) {
  65     /* couldn't malloc() memory for thenode, so free localdata to avoid leakage */
  66     parseError = "malloc: could not allocate memory for this search.";
  67     free(localdata);
  68     return NULL;
  69   }
  70
  71   thenode->returntype = RETURNTYPE_BOOL;
  72   thenode->localdata = localdata;
  73   thenode->exe = notice_exe;
  74   thenode->free = notice_free;
  75
  76   return thenode;
  77 }
  78
  79 void *notice_exe(searchCtx *ctx, struct searchNode *thenode, void *theinput) {
  80   struct notice_localdata *localdata;
  81   nick *np;
  82   chanindex *cip;
  83
  84   localdata = thenode->localdata;
  85
  86   if (ctx->searchcmd == reg_chansearch) {
  87     cip = (chanindex *)theinput;
  88     cip->marker = localdata->marker;
  89     localdata->count += cip->channel->users->totalusers;
  90   }
  91   else {
  92     np = (nick *)theinput;
  93     np->marker = localdata->marker;
  94     localdata->count++;
  95   }
  96
  97   return (void *)1;
  98 }
  99
 100 void notice_free(searchCtx *ctx, struct searchNode *thenode) {
 101   struct notice_localdata *localdata;
 102   nick *np, *nnp;
 103   chanindex *cip, *ncip;
 104   int i, j;
 105   unsigned int nickmarker;
 106
 107   localdata = thenode->localdata;
 108
 109   if (ctx->searchcmd == reg_chansearch) {
 110     nickmarker=nextnickmarker();
 111     for (i=0;i<CHANNELHASHSIZE;i++) {
 112       for (cip=chantable[i];cip;cip=ncip) {
 113         ncip = cip->next;
 114         if (cip != NULL && cip->channel != NULL && cip->marker == localdata->marker) {
 115           for (j=0;j<cip->channel->users->hashsize;j++) {
 116             if (cip->channel->users->content[j]==nouser)
 117               continue;
 118
 119             if ((np=getnickbynumeric(cip->channel->users->content[j])))
 120               np->marker=nickmarker;
 121           }
 122         }
 123       }
 124     }
 125     for (i=0;i<NICKHASHSIZE;i++) {
 126       for(np=nicktable[i];np;np=nnp) {
 127         nnp = np->next;
 128         if (np->marker == nickmarker)
 129           controlnotice(np, localdata->message);
 130       }
 131     }
 132   }
 133   else {
 134     for (i=0;i<NICKHASHSIZE;i++) {
 135       for (np=nicktable[i];np;np=nnp) {
 136         nnp = np->next;
 137         if (np->marker == localdata->marker)
 138          controlnotice(np, localdata->message);
 139       }
 140     }
 141   }
 142   /* notify opers of the action */
 143   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);
 144   free(localdata);
 145   free(thenode);
 146 }