From 4440a86cfa359b8e40a484a2cd46d33db5455d8a Mon Sep 17 00:00:00 2001
From: Jonas Gunz <himself@jonasgunz.de>
Date: Mon, 25 May 2020 20:09:04 +0200
Subject: Initial

---
 irc/ignore.c | 141 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 141 insertions(+)
 create mode 100644 irc/ignore.c

(limited to 'irc/ignore.c')

diff --git a/irc/ignore.c b/irc/ignore.c
new file mode 100644
index 0000000..23bc5db
--- /dev/null
+++ b/irc/ignore.c
@@ -0,0 +1,141 @@
+/************************************************************************
+ *   IRC - Internet Relay Chat, irc/ignore.c
+ *   Copyright (C) 1990 Jarkko Oikarinen
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 1, or (at your option)
+ *   any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef lint
+static  char rcsid[] = "@(#)$Id: ignore.c,v 1.2 1997/09/03 17:45:39 kalt Exp $";
+#endif
+ 
+#include "os.h"
+#include "c_defines.h"
+#define IGNORE_C
+#include "c_externs.h"
+#undef IGNORE_C
+
+anIgnore *ignore = (anIgnore *) 0;
+char ibuf[80];
+
+void do_ignore(user, temp)
+char *user, *temp;
+{
+  char *ch, *wild = "*";
+  anIgnore *iptr;
+  char *apu = user, *uh;
+  int status;
+  if ((user == (char *) 0) || (*user == '\0')) {
+
+    putline("*** Current ignore list entries:");
+    for (iptr = ignore; iptr; iptr = iptr->next) {
+      sprintf(ibuf,"    Ignoring %s messages from user %s!%s", 
+	      (iptr->flags == IGNORE_TOTAL) ? "all" :
+	      (iptr->flags == IGNORE_PRIVATE) ? "private" : "public", 
+	      iptr->user, iptr->from);
+      putline(ibuf);
+    }
+    putline("*** End of ignore list entries");
+    return;
+  }
+  while (apu && *apu) {
+    ch = apu;
+    if (*ch == '+') {
+      ch++;
+      status = IGNORE_PUBLIC;
+    }
+    else if (*ch == '-') {
+      ch++;
+      status = IGNORE_PRIVATE;
+    }
+    else 
+      status = IGNORE_TOTAL;
+    if ((apu = index(ch, ',')))
+      *(apu++) = '\0';
+    if ((uh = index(ch, '!')))
+      *uh++ = '\0';
+    else if ((uh = index(ch, '@')))
+      *uh++ = '\0';
+    else
+      uh = wild;
+    if (!*ch)
+      ch = wild;
+    if ((iptr = find_ignore(ch, (anIgnore *)NULL, uh))) {
+      sprintf(ibuf,"*** Ignore removed: user %s!%s",
+      iptr->user, iptr->from);
+      putline(ibuf);
+      kill_ignore(iptr);
+    } else {
+      if (strlen(ch) > (size_t) NICKLEN)
+	ch[NICKLEN] = '\0';
+      if (add_ignore(ch, status, uh) >= 0) {
+	sprintf(ibuf,"*** Ignore %s messages from user %s!%s", 
+		(status == IGNORE_TOTAL) ? "all" :
+		 (status == IGNORE_PRIVATE) ? "private" : "public", ch, uh);
+	putline(ibuf);
+      } else
+	putline("Fatal Error: Cannot allocate memory for ignore buffer");
+    }
+  }
+}    
+
+anIgnore *find_ignore(user, para, fromhost)
+char *user, *fromhost;
+anIgnore *para;
+{
+  anIgnore *iptr;
+  for (iptr = ignore; iptr; iptr=iptr->next)
+    if ((match(iptr->user, user) == 0) &&
+	(match(iptr->from, fromhost)==0))
+      break;
+
+  return iptr ? iptr : para;
+}
+
+int kill_ignore(iptr)
+anIgnore *iptr;
+{
+  anIgnore *i2ptr, *i3ptr = (anIgnore *) 0;
+  for (i2ptr = ignore; i2ptr; i2ptr = i2ptr->next) {
+    if (i2ptr == iptr)
+      break;
+    i3ptr = i2ptr;
+  }
+  if (i2ptr) {
+    if (i3ptr)
+      i3ptr->next = i2ptr->next;
+    else
+      ignore = i2ptr->next;
+    free(i2ptr);
+    return (1);
+  }
+  return (-1);
+}
+
+int add_ignore(ch, status, fromhost)
+char *ch, *fromhost;
+int status;
+{
+  anIgnore *iptr;
+  iptr = (anIgnore *) malloc(sizeof (anIgnore));
+  if (iptr == (anIgnore *) 0)
+    return(-1);
+  strncpyzt(iptr->user, ch, sizeof(iptr->user));
+  strncpyzt(iptr->from, fromhost, sizeof(iptr->from));
+  iptr->next = ignore;
+  ignore = iptr;
+  iptr->flags = status;
+  return(1);
+}
-- 
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