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ITS#8719 add crypt_r() support

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This commit is contained in:
Howard Chu 2017-09-06 21:25:16 +01:00
parent b65e0b5731
commit afa861bf22
3 changed files with 39 additions and 1 deletions
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6
configure.in
View File

@ -2242,10 +2242,16 @@ if test $ol_enable_crypt != no ; then
AC_CHECK_LIB(crypt, crypt, [LUTIL_LIBS="$LUTIL_LIBS -lcrypt"
have_crypt=yes], [have_crypt=no])])
LIBS="$TLS_LIBS $LIBS"
AC_CHECK_LIB(crypt, crypt_r, [have_crypt_r=yes], [have_crypt_r=no])
LIBS="$save_LIBS"
if test $have_crypt = yes ; then
AC_DEFINE(HAVE_CRYPT,1, [define if crypt(3) is available])
if test $have_crypt_r = yes ; then
AC_DEFINE(HAVE_CRYPT_R, 1, [define if crypt_r() is also available])
fi
else
AC_MSG_WARN([could not find crypt])
if test $ol_enable_crypt = yes ; then

3
include/portable.hin
View File

@ -117,6 +117,9 @@
/* define if crypt(3) is available */
#undef HAVE_CRYPT
/* define if crypt_r(3) is available */
#undef HAVE_CRYPT_R
/* Define to 1 if you have the <crypt.h> header file. */
#undef HAVE_CRYPT_H

31
servers/slapd/passwd.c
View File

@ -23,8 +23,11 @@
#include <ac/unistd.h>
#ifdef SLAPD_CRYPT
#ifdef HAVE_CRYPT_R
#define __USE_GNU
#endif /* HAVE_CRYPT_R */
#include <ac/crypt.h>
#endif
#endif /* SLAPD_CRYPT */
#include "slap.h"
@ -590,6 +593,30 @@ slap_passwd_hash(
static ldap_pvt_thread_mutex_t passwd_mutex;
static lutil_cryptfunc slapd_crypt;
#ifdef HAVE_CRYPT_R
static int slapd_crypt( const char *key, const char *salt, char **hash )
{
char *cr;
int rc;
struct crypt_data data;
data.initialized = 0;
cr = crypt_r( key, salt, &data );
if ( cr == NULL || cr[0] == '\0' ) {
/* salt must have been invalid */
rc = LUTIL_PASSWD_ERR;
} else {
if ( hash ) {
*hash = ber_strdup( cr );
rc = LUTIL_PASSWD_OK;
} else {
rc = strcmp( salt, cr ) ? LUTIL_PASSWD_ERR : LUTIL_PASSWD_OK;
}
}
return rc;
}
#else
static int slapd_crypt( const char *key, const char *salt, char **hash )
{
char *cr;
@ -614,6 +641,8 @@ static int slapd_crypt( const char *key, const char *salt, char **hash )
ldap_pvt_thread_mutex_unlock( &passwd_mutex );
return rc;
}
#endif /* HAVE_CRYPT_R */
#endif /* SLAPD_CRYPT */
void slap_passwd_init()