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/*
** Copyright 2002-2009 Double Precision, Inc. See COPYING for
** distribution information.
*/
#if HAVE_CONFIG_H
#include "courier_auth_config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <pwd.h>
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "auth.h"
int auth_getoptionenvint(const char *keyword)
{
char *p = auth_getoptionenv(keyword);
int i;
if (!p) return 0;
i = atoi(p);
if (i == 0 && strchr("tTyY", *p))
i=1; /* Convert 'true', 'TRUE', 'yes', 'YES' to 1 */
free(p);
return i;
}
char *auth_getoptionenv(const char *keyword)
{
return auth_getoption(getenv("OPTIONS"), keyword);
}
char *auth_getoption(const char *options, const char *keyword)
{
size_t keyword_l=strlen(keyword);
char *p;
while (options)
{
if (strncmp(options, keyword, keyword_l) == 0)
{
if (options[keyword_l] == 0 ||
options[keyword_l] == ',')
return strdup("");
if (options[keyword_l] == '=')
{
options += keyword_l;
++options;
for (keyword_l=0;
options[keyword_l] &&
options[keyword_l] != ',';
++keyword_l)
;
if (!(p=malloc(keyword_l+1)))
return NULL;
memcpy(p, options, keyword_l);
p[keyword_l]=0;
return p;
}
}
options=strchr(options, ',');
if (options)
++options;
}
errno=ENOENT;
return NULL;
}
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