aboutsummaryrefslogtreecommitdiff
path: root/irc/ignore.c
blob: 23bc5db40ca115bfaf5fd7d305c90185e9e47b84 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
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);
}