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, *message;
  31   char *p;
  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     free(localdata);
  44     parseError = "notice: invalid search type";
  45     return NULL;
  46   }
  47   if (argc!=1) {
  48     parseError = "notice: warning: you did not specify a message to notice out.";
  49     free(localdata);
  50     return NULL;
  51   }
  52
  53   if (!(message=argtoconststr("notice", ctx, argv[0], &p))) {
  54     free(localdata);
  55     return NULL;
  56   }
  57
  58   strlcpy(localdata->message, p, sizeof(localdata->message));
  59   (message->free)(ctx, message);
  60
  61   if (!(thenode=(struct searchNode *)malloc(sizeof (struct searchNode)))) {
  62     /* couldn't malloc() memory for thenode, so free localdata to avoid leakage */
  63     parseError = "malloc: could not allocate memory for this search.";
  64     free(localdata);
  65     return NULL;
  66   }
  67
  68   thenode->returntype = RETURNTYPE_BOOL;
  69   thenode->localdata = localdata;
  70   thenode->exe = notice_exe;
  71   thenode->free = notice_free;
  72
  73   return thenode;
  74 }
  75
  76 void *notice_exe(searchCtx *ctx, struct searchNode *thenode, void *theinput) {
  77   struct notice_localdata *localdata;
  78   nick *np;
  79   chanindex *cip;
  80
  81   localdata = thenode->localdata;
  82
  83   if (ctx->searchcmd == reg_chansearch) {
  84     cip = (chanindex *)theinput;
  85     cip->marker = localdata->marker;
  86     localdata->count += cip->channel->users->totalusers;
  87   }
  88   else {
  89     np = (nick *)theinput;
  90     np->marker = localdata->marker;
  91     localdata->count++;
  92   }
  93
  94   return (void *)1;
  95 }
  96
  97 void notice_free(searchCtx *ctx, struct searchNode *thenode) {
  98   struct notice_localdata *localdata;
  99   nick *np, *nnp;
 100   chanindex *cip, *ncip;
 101   int i, j;
 102   unsigned int nickmarker;
 103
 104   localdata = thenode->localdata;
 105
 106   if (ctx->searchcmd == reg_chansearch) {
 107     nickmarker=nextnickmarker();
 108     for (i=0;i<CHANNELHASHSIZE;i++) {
 109       for (cip=chantable[i];cip;cip=ncip) {
 110         ncip = cip->next;
 111         if (cip != NULL && cip->channel != NULL && cip->marker == localdata->marker) {
 112           for (j=0;j<cip->channel->users->hashsize;j++) {
 113             if (cip->channel->users->content[j]==nouser)
 114               continue;
 115
 116             if ((np=getnickbynumeric(cip->channel->users->content[j])))
 117               np->marker=nickmarker;
 118           }
 119         }
 120       }
 121     }
 122     for (i=0;i<NICKHASHSIZE;i++) {
 123       for(np=nicktable[i];np;np=nnp) {
 124         nnp = np->next;
 125         if (np->marker == nickmarker)
 126           controlnotice(np, "%s", localdata->message);
 127       }
 128     }
 129   }
 130   else {
 131     for (i=0;i<NICKHASHSIZE;i++) {
 132       for (np=nicktable[i];np;np=nnp) {
 133         nnp = np->next;
 134         if (np->marker == localdata->marker)
 135          controlnotice(np, "%s", localdata->message);
 136       }
 137     }
 138   }
 139   /* notify opers of the action */
 140   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);
 141   free(localdata);
 142   free(thenode);
 143 }