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ITS#5655 TLS_PROTOCOL_MIN from Philip Guenther

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This commit is contained in:
Howard Chu 2009-01-24 03:34:49 +00:00
parent ac037d3a13
commit cf1558659b
7 changed files with 78 additions and 2 deletions
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10
include/ldap.h
View File

@ -144,7 +144,7 @@ LDAP_BEGIN_DECL
#define LDAP_OPT_X_TLS_CERTFILE 0x6004
#define LDAP_OPT_X_TLS_KEYFILE 0x6005
#define LDAP_OPT_X_TLS_REQUIRE_CERT 0x6006
/* #define LDAP_OPT_X_TLS_PROTOCOL 0x6007 */
#define LDAP_OPT_X_TLS_PROTOCOL_MIN 0x6007
#define LDAP_OPT_X_TLS_CIPHER_SUITE 0x6008
#define LDAP_OPT_X_TLS_RANDOM_FILE 0x6009
#define LDAP_OPT_X_TLS_SSL_CTX 0x600a /* OpenSSL SSL* */
@ -165,6 +165,14 @@ LDAP_BEGIN_DECL
#define LDAP_OPT_X_TLS_CRL_PEER 1
#define LDAP_OPT_X_TLS_CRL_ALL 2
/* for LDAP_OPT_X_TLS_PROTOCOL_MIN */
#define LDAP_OPT_X_TLS_PROTOCOL(maj,min) (((maj) << 8) + (min))
#define LDAP_OPT_X_TLS_PROTOCOL_SSL2 (2 << 8)
#define LDAP_OPT_X_TLS_PROTOCOL_SSL3 (3 << 8)
#define LDAP_OPT_X_TLS_PROTOCOL_TLS1_0 ((3 << 8) + 1)
#define LDAP_OPT_X_TLS_PROTOCOL_TLS1_1 ((3 << 8) + 2)
#define LDAP_OPT_X_TLS_PROTOCOL_TLS1_2 ((3 << 8) + 3)
/* OpenLDAP SASL options */
#define LDAP_OPT_X_SASL_MECH 0x6100
#define LDAP_OPT_X_SASL_REALM 0x6101

1
libraries/libldap/init.c
View File

@ -123,6 +123,7 @@ static const struct ol_attribute {
{0, ATTR_TLS, "TLS_REQCERT", NULL, LDAP_OPT_X_TLS_REQUIRE_CERT},
{0, ATTR_TLS, "TLS_RANDFILE", NULL, LDAP_OPT_X_TLS_RANDOM_FILE},
{0, ATTR_TLS, "TLS_CIPHER_SUITE", NULL, LDAP_OPT_X_TLS_CIPHER_SUITE},
{0, ATTR_TLS, "TLS_PROTOCOL_MIN", NULL, LDAP_OPT_X_TLS_PROTOCOL_MIN},
#ifdef HAVE_OPENSSL_CRL
{0, ATTR_TLS, "TLS_CRLCHECK", NULL, LDAP_OPT_X_TLS_CRLCHECK},

2
libraries/libldap/ldap-int.h
View File

@ -157,6 +157,7 @@ struct ldaptls {
char *lt_ciphersuite;
char *lt_crlfile;
char *lt_randfile; /* OpenSSL only */
int lt_protocol_min;
};
#endif
@ -204,6 +205,7 @@ struct ldapoptions {
#define ldo_tls_cacertfile ldo_tls_info.lt_cacertfile
#define ldo_tls_cacertdir ldo_tls_info.lt_cacertdir
#define ldo_tls_ciphersuite ldo_tls_info.lt_ciphersuite
#define ldo_tls_protocol_min ldo_tls_info.lt_protocol_min
#define ldo_tls_crlfile ldo_tls_info.lt_crlfile
#define ldo_tls_randfile ldo_tls_info.lt_randfile
int ldo_tls_mode;

31
libraries/libldap/tls.c
View File

@ -772,6 +772,12 @@ ldap_int_tls_init_ctx( struct ldapoptions *lo, int is_server )
(const unsigned char *) "OpenLDAP", sizeof("OpenLDAP")-1 );
}
if (lo->ldo_tls_protocol_min > LDAP_OPT_X_TLS_PROTOCOL_SSL3)
SSL_CTX_set_options( lo->ldo_tls_ctx,
SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 );
else if (lo->ldo_tls_protocol_min > LDAP_OPT_X_TLS_PROTOCOL_SSL2)
SSL_CTX_set_options( lo->ldo_tls_ctx, SSL_OP_NO_SSLv2 );
if ( lo->ldo_tls_ciphersuite &&
!SSL_CTX_set_cipher_list( lo->ldo_tls_ctx, ciphersuite ) )
{
@ -2146,6 +2152,23 @@ ldap_int_tls_config( LDAP *ld, int option, const char *arg )
return ldap_pvt_tls_set_option( ld, option, &i );
}
return -1;
case LDAP_OPT_X_TLS_PROTOCOL_MIN: {
char *next;
long l;
l = strtol( arg, &next, 10 );
if ( l < 0 || l > 0xff || next == arg ||
( *next != '\0' && *next != '.' ) )
return -1;
i = l << 8;
if (*next == '.') {
arg = next + 1;
l = strtol( arg, &next, 10 );
if ( l < 0 || l > 0xff || next == arg || *next != '\0' )
return -1;
i += l;
}
return ldap_pvt_tls_set_option( ld, option, &i );
}
#ifdef HAVE_OPENSSL_CRL
case LDAP_OPT_X_TLS_CRLCHECK:
i = -1;
@ -2235,6 +2258,9 @@ ldap_pvt_tls_get_option( LDAP *ld, int option, void *arg )
*(char **)arg = lo->ldo_tls_ciphersuite ?
LDAP_STRDUP( lo->ldo_tls_ciphersuite ) : NULL;
break;
case LDAP_OPT_X_TLS_PROTOCOL_MIN:
*(int *)arg = lo->ldo_tls_protocol_min;
break;
case LDAP_OPT_X_TLS_RANDOM_FILE:
#ifdef HAVE_OPENSSL
*(char **)arg = tls_opt_randfile ?
@ -2373,7 +2399,10 @@ ldap_pvt_tls_set_option( LDAP *ld, int option, void *arg )
if ( lo->ldo_tls_ciphersuite ) LDAP_FREE( lo->ldo_tls_ciphersuite );
lo->ldo_tls_ciphersuite = arg ? LDAP_STRDUP( (char *) arg ) : NULL;
return 0;
case LDAP_OPT_X_TLS_PROTOCOL_MIN:
if ( !arg ) return -1;
lo->ldo_tls_protocol_min = * (int *) arg;
return 0;
case LDAP_OPT_X_TLS_RANDOM_FILE:
if ( ld != NULL )
return -1;

10
servers/slapd/bconfig.c
View File

@ -145,6 +145,7 @@ enum {
CFG_DATABASE,
CFG_TLS_RAND,
CFG_TLS_CIPHER,
CFG_TLS_PROTOCOL_MIN,
CFG_TLS_CERT_FILE,
CFG_TLS_CERT_KEY,
CFG_TLS_CA_PATH,
@ -685,6 +686,14 @@ static ConfigTable config_back_cf_table[] = {
#endif
"( OLcfgGlAt:77 NAME 'olcTLSDHParamFile' "
"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
{ "TLSProtocolMin", NULL, 0, 0, 0,
#ifdef HAVE_TLS
CFG_TLS_PROTOCOL_MIN|ARG_STRING|ARG_MAGIC, &config_tls_config,
#else
ARG_IGNORED, NULL,
#endif
"( OLcfgGlAt:85 NAME 'olcTLSProtocolMin' "
"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
{ "tool-threads", "count", 2, 2, 0, ARG_INT|ARG_MAGIC|CFG_TTHREADS,
&config_generic, "( OLcfgGlAt:80 NAME 'olcToolThreads' "
"SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
@ -3207,6 +3216,7 @@ config_tls_config(ConfigArgs *c) {
switch(c->type) {
case CFG_TLS_CRLCHECK: flag = LDAP_OPT_X_TLS_CRLCHECK; break;
case CFG_TLS_VERIFY: flag = LDAP_OPT_X_TLS_REQUIRE_CERT; break;
case CFG_TLS_PROTOCOL_MIN: flag = LDAP_OPT_X_TLS_PROTOCOL_MIN; break;
default:
Debug(LDAP_DEBUG_ANY, "%s: "
"unknown tls_option <0x%x>\n",

25
servers/slapd/config.c
View File

@ -1200,6 +1200,7 @@ static slap_cf_aux_table bindkey[] = {
{ BER_BVC("tls_cacertdir="), offsetof(slap_bindconf, sb_tls_cacertdir), 's', 1, NULL },
{ BER_BVC("tls_reqcert="), offsetof(slap_bindconf, sb_tls_reqcert), 's', 1, NULL },
{ BER_BVC("tls_cipher_suite="), offsetof(slap_bindconf, sb_tls_cipher_suite), 's', 1, NULL },
{ BER_BVC("tls_protocol_min="), offsetof(slap_bindconf, sb_tls_protocol_min), 's', 1, NULL },
#ifdef HAVE_OPENSSL_CRL
{ BER_BVC("tls_crlcheck="), offsetof(slap_bindconf, sb_tls_crlcheck), 's', 1, NULL },
#endif
@ -1408,6 +1409,14 @@ slap_tls_get_config( LDAP *ld, int opt, char **val )
case LDAP_OPT_X_TLS_REQUIRE_CERT:
keys = vfykeys;
break;
case LDAP_OPT_X_TLS_PROTOCOL_MIN: {
char buf[8];
ldap_pvt_tls_get_option( ld, opt, &ival );
snprintf( buf, sizeof( buf ), "%d.%d",
( ival >> 8 ) & 0xff, ival & 0xff );
*val = ch_strdup( buf );
return 0;
}
default:
return -1;
}
@ -1519,6 +1528,10 @@ void bindconf_free( slap_bindconf *bc ) {
ch_free( bc->sb_tls_cipher_suite );
bc->sb_tls_cipher_suite = NULL;
}
if ( bc->sb_tls_protocol_min ) {
ch_free( bc->sb_tls_protocol_min );
bc->sb_tls_protocol_min = NULL;
}
#ifdef HAVE_OPENSSL_CRL
if ( bc->sb_tls_crlcheck ) {
ch_free( bc->sb_tls_crlcheck );
@ -1570,6 +1583,7 @@ static struct {
{ "tls_cacert", offsetof(slap_bindconf, sb_tls_cacert), LDAP_OPT_X_TLS_CACERTFILE },
{ "tls_cacertdir", offsetof(slap_bindconf, sb_tls_cacertdir), LDAP_OPT_X_TLS_CACERTDIR },
{ "tls_cipher_suite", offsetof(slap_bindconf, sb_tls_cipher_suite), LDAP_OPT_X_TLS_CIPHER_SUITE },
{ "tls_protocol_min", offsetof(slap_bindconf, sb_tls_protocol_min), LDAP_OPT_X_TLS_PROTOCOL_MIN },
{0, 0}
};
@ -1604,6 +1618,17 @@ int bindconf_tls_set( slap_bindconf *bc, LDAP *ld )
} else
newctx = 1;
}
if ( bc->sb_tls_protocol_min ) {
rc = ldap_int_tls_config( ld, LDAP_OPT_X_TLS_PROTOCOL_MIN,
bc->sb_tls_protocol_min );
if ( rc ) {
Debug( LDAP_DEBUG_ANY,
"bindconf_tls_set: failed to set tls_protocol_min to %s\n",
bc->sb_tls_protocol_min, 0, 0 );
res = -1;
} else
newctx = 1;
}
#ifdef HAVE_OPENSSL_CRL
if ( bc->sb_tls_crlcheck ) {
rc = ldap_int_tls_config( ld, LDAP_OPT_X_TLS_CRLCHECK,

1
servers/slapd/slap.h
View File

@ -1607,6 +1607,7 @@ typedef struct slap_bindconf {
char *sb_tls_cacertdir;
char *sb_tls_reqcert;
char *sb_tls_cipher_suite;
char *sb_tls_protocol_min;
#ifdef HAVE_OPENSSL_CRL
char *sb_tls_crlcheck;
#endif