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/* qmail-dotfile.c - qmail dotfile ($HOME/.qmail*) lookup routines
* Copyright (C) 2010 Bruce Guenter <bruce@untroubled.org>
*
* 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 2 of the License, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <bglibs/sysdeps.h>
#include <ctype.h>
#include <errno.h>
#include <sys/stat.h>
#include <bglibs/str.h>
#include "qmail.h"
int qmail_dotfile_exists(const struct qmail_user* user, const char* ext,
str* path)
{
struct stat st;
int split;
int baselen;
/* System users are not required to have a .qmail file */
if (user->dash == 0)
return ext == 0 || *ext == 0;
if (!str_copy(path, &user->homedir)) return -1;
if (!str_cats(path, "/.qmail")) return -1;
baselen = path->len;
if (!str_catc(path, user->dash)) return -1;
if (!str_cat(path, &user->ext)) return -1;
if (ext != 0) {
while (*ext) {
if (!str_catc(path, isupper(*ext)
? tolower(*ext)
: (*ext == '.')
? ':'
: *ext))
return -1;
++ext;
}
}
split = path->len;
for (;;) {
if (stat(path->s, &st) == 0)
return 1;
if (errno != ENOENT)
return -1;
if ((split = str_findprev(path, '-', split - 1)) == -1
|| split < baselen)
break;
path->len = split + 1;
if (!str_cats(path, "default")) return -1;
}
return 0;
}
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