summaryrefslogtreecommitdiff
path: root/imap4d/quota.c
blob: 9c1f7f0308616d093039605471a270b9ec2db913 (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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
/* GNU Mailutils -- a suite of utilities for electronic mail
   Copyright (C) 1999-2019 Free Software Foundation, Inc.

   GNU Mailutils 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 3, or (at your option)
   any later version.

   GNU Mailutils 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 GNU Mailutils.  If not, see <http://www.gnu.org/licenses/>. */

#include "imap4d.h"

struct imap4d_sizeinfo
{
  mu_off_t size;
  mu_off_t nfiles;
  mu_off_t ndirs;
  mu_off_t nerrs;
};
  
static int
addsize (mu_folder_t folder, struct mu_list_response *resp, void *data)
{
  struct imap4d_sizeinfo *si = data;

  if (resp->type & MU_FOLDER_ATTRIBUTE_DIRECTORY)
    si->ndirs++;
  
  if (resp->type & MU_FOLDER_ATTRIBUTE_FILE)
    {
      mu_off_t size;
      mu_mailbox_t mbox;
      int rc;
      
      si->nfiles++;

      rc = mu_mailbox_create_from_record (&mbox, resp->format, resp->name);

      if (rc)
	{
	  mu_diag_funcall (MU_DIAG_ERROR, "mu_mailbox_create_from_record",
			   resp->name, rc);
	  si->nerrs++;
	  return 0;
	}

      rc = mu_mailbox_open (mbox, MU_STREAM_READ);
      if (rc)
	{
	  mu_diag_funcall (MU_DIAG_ERROR, "mu_mailbox_open",
			   resp->name, rc);
	  si->nerrs++;
	  mu_mailbox_destroy (&mbox);
	  return 0;
	}

      rc = mu_mailbox_get_size (mbox, &size);
      mu_mailbox_destroy (&mbox);

      if (rc)
	{
	  mu_diag_funcall (MU_DIAG_ERROR, "mu_mailbox_open",
			   resp->name, rc);
	  si->nerrs++;
	  return 0;
	}
      si->size += size;
    }
  return 0;
}
  
void
directory_size (const char *dirname, mu_off_t *size)
{
  mu_folder_t folder;
  struct imap4d_sizeinfo sizeinfo;
  int status;
  
  status = mu_folder_create (&folder, dirname);
  if (status)
    {
      mu_diag_funcall (MU_DIAG_ERROR, "mu_folder_create", dirname, status);
      return;
    }

  status = mu_folder_open (folder, MU_STREAM_READ);
  if (status)
    {
      mu_diag_funcall (MU_DIAG_ERROR, "mu_folder_open", dirname, status);
      mu_folder_destroy (&folder);
      return;
    }

  memset (&sizeinfo, 0, sizeof (sizeinfo));
  status = mu_folder_enumerate (folder, NULL, "*", 0, 0, NULL,
				addsize, &sizeinfo);
  if (status)
    mu_diag_funcall (MU_DIAG_ERROR, "mu_folder_enumerate", dirname, status);
  else
    {
      mu_diag_output (MU_DIAG_INFO,
		      _("%s statistics: size=%lu, ndirs=%lu, nfiles=%lu, nerrs=%lu"),
		      dirname,
		      (unsigned long)sizeinfo.size,
		      (unsigned long)sizeinfo.ndirs,
		      (unsigned long)sizeinfo.nfiles,
		      (unsigned long)sizeinfo.nerrs);
    }
  *size = sizeinfo.size;
}


mu_off_t used_size;

void
quota_setup (void)
{
  directory_size (real_homedir, &used_size);
}

int
quota_check (mu_off_t size)
{
  char *mailbox_name;
  mu_mailbox_t mbox;
  mu_off_t total;
  int rc;
  mu_record_t record;
  
  if (auth_data->quota == 0)
    return RESP_OK;

  total = used_size;

  mailbox_name = namespace_get_name ("INBOX", &record, NULL);
  rc = mu_mailbox_create_from_record (&mbox, record, mailbox_name);
  if (rc)
    mu_diag_funcall (MU_DIAG_ERROR, "mu_mailbox_create", mailbox_name, rc);
  else
    {
      do
	{
	  mu_off_t mbsize;
	  
	  rc = mu_mailbox_open (mbox, MU_STREAM_READ);
	  if (rc)
	    {
	      if (rc != ENOENT)
		mu_diag_funcall (MU_DIAG_ERROR, "mu_mailbox_open",
				 mailbox_name, rc);
	      break;
	    }
	  
	  rc = mu_mailbox_get_size (mbox, &mbsize);
	  if (rc)
	    {
	      mu_diag_funcall (MU_DIAG_ERROR, "mu_mailbox_get_size",
			       mailbox_name, rc);
	      mu_mailbox_close (mbox);
	      break;
	    }
	  total += mbsize;
	  mu_mailbox_close (mbox);
	}
      while (0);
      mu_mailbox_destroy (&mbox);
    }
  free (mailbox_name);

  if (rc)
    return RESP_BAD;
  
  if (total > auth_data->quota)
    {
      mu_diag_output (MU_DIAG_NOTICE,
		      _("user %s is out of mailbox quota"),
		      auth_data->name);
      return RESP_NO;
    }
  else if (total + size > auth_data->quota)
    {
      mu_diag_output (MU_DIAG_NOTICE,
		      _("user %s: adding %lu bytes would exceed mailbox quota"),
		      auth_data->name, (unsigned long) size);
      return RESP_NO;
    }
  return RESP_OK;
}

void
quota_update (mu_off_t size)
{
  used_size += size;
}

Return to:

Send suggestions and report system problems to the System administrator.