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(struct searchNode *thenode, void *theinput);
  20 void notice_free(struct searchNode *thenode);
  21
  22 struct notice_localdata {
  23   unsigned int marker;
  24   int count;
  25   int type;
  26   char message[NSMAX_NOTICE_LEN];
  27 };
  28
  29 struct searchNode *notice_parse(int type, int argc, char **argv) {
  30   struct notice_localdata *localdata;
  31   struct searchNode *thenode;
  32   int len;
  33
  34   if (!(localdata = (struct notice_localdata *) malloc(sizeof(struct notice_localdata)))) {
  35     parseError = "malloc: could not allocate memory for this search.";
  36     return NULL;
  37   }
  38   localdata->count = 0;
  39   localdata->type = type;
  40   if (type == SEARCHTYPE_CHANNEL)
  41     localdata->marker = nextchanmarker();
  42   else
  43     localdata->marker = nextnickmarker();
  44
  45   if (argc==1) {
  46     char *p = argv[0];
  47     if(*p == '\"')
  48       p++;
  49     len = strlcpy(localdata->message, p, sizeof(localdata->message));
  50     if(len >= sizeof(localdata->message)) {
  51       localdata->message[sizeof(localdata->message)-1] = '\0';
  52     } else {
  53       localdata->message[len-1] = '\0';
  54     }
  55   }
  56   else {
  57     /* no notice to send out ... */
  58     parseError = "Warning: you did not specify a message to notice out.";
  59     free(localdata);
  60     return NULL;
  61   }
  62
  63   if (!(thenode=(struct searchNode *)malloc(sizeof (struct searchNode)))) {
  64     /* couldn't malloc() memory for thenode, so free localdata to avoid leakage */
  65     parseError = "malloc: could not allocate memory for this search.";
  66     free(localdata);
  67     return NULL;
  68   }
  69
  70   thenode->returntype = RETURNTYPE_BOOL;
  71   thenode->localdata = localdata;
  72   thenode->exe = notice_exe;
  73   thenode->free = notice_free;
  74
  75   return thenode;
  76 }
  77
  78 void *notice_exe(struct searchNode *thenode, void *theinput) {
  79   struct notice_localdata *localdata;
  80   nick *np;
  81   chanindex *cip;
  82
  83   localdata = thenode->localdata;
  84
  85   if (localdata->type == SEARCHTYPE_CHANNEL) {
  86     cip = (chanindex *)theinput;
  87     cip->marker = localdata->marker;
  88     localdata->count += cip->channel->users->totalusers;
  89   }
  90   else {
  91     np = (nick *)theinput;
  92     np->marker = localdata->marker;
  93     localdata->count++;
  94   }
  95
  96   return (void *)1;
  97 }
  98
  99 void notice_free(struct searchNode *thenode) {
 100   struct notice_localdata *localdata;
 101   nick *np, *nnp;
 102   chanindex *cip, *ncip;
 103   int i, j;
 104   unsigned int nickmarker;
 105
 106   localdata = thenode->localdata;
 107
 108   if (localdata->type == SEARCHTYPE_CHANNEL) {
 109     nickmarker=nextnickmarker();
 110     for (i=0;i<CHANNELHASHSIZE;i++) {
 111       for (cip=chantable[i];cip;cip=ncip) {
 112         ncip = cip->next;
 113         if (cip != NULL && cip->channel != NULL && cip->marker == localdata->marker) {
 114           for (j=0;j<cip->channel->users->hashsize;j++) {
 115             if (cip->channel->users->content[j]==nouser)
 116               continue;
 117
 118             if ((np=getnickbynumeric(cip->channel->users->content[j])))
 119               np->marker=nickmarker;
 120           }
 121         }
 122       }
 123     }
 124     for (i=0;i<NICKHASHSIZE;i++) {
 125       for(np=nicktable[i];np;np=nnp) {
 126         nnp = np->next;
 127         if (np->marker == nickmarker)
 128           controlnotice(np, localdata->message);
 129       }
 130     }
 131   }
 132   else {
 133     for (i=0;i<NICKHASHSIZE;i++) {
 134       for (np=nicktable[i];np;np=nnp) {
 135         nnp = np->next;
 136         if (np->marker == localdata->marker)
 137          controlnotice(np, localdata->message);
 138       }
 139     }
 140   }
 141   /* notify opers of the action */
 142   controlwall(NO_OPER, 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);
 143   free(localdata);
 144   free(thenode);
 145 }