1 files changed, 544 insertions, 0 deletions
diff --git a/include/ldap_pvt.h b/include/ldap_pvt.h
new file mode 100644
index 0000000..70dc6ed
--- /dev/null
+++ b/include/ldap_pvt.h
@@ -0,0 +1,544 @@
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ * 
+ * Copyright 1998-2018 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+
+/* ldap-pvt.h - Header for ldap_pvt_ functions.
+ * These are meant to be internal to OpenLDAP Software.
+ */
+
+#ifndef _LDAP_PVT_H
+#define _LDAP_PVT_H 1
+
+#include <lber.h>				/* get ber_slen_t */
+#include <lber_pvt.h>				/* get Sockbuf_Buf */
+
+LDAP_BEGIN_DECL
+
+#define LDAP_PROTO_TCP 1 /* ldap://  */
+#define LDAP_PROTO_UDP 2 /* reserved */
+#define LDAP_PROTO_IPC 3 /* ldapi:// */
+#define LDAP_PROTO_EXT 4 /* user-defined socket/sockbuf */
+
+LDAP_F ( int )
+ldap_pvt_url_scheme2proto LDAP_P((
+	const char * ));
+LDAP_F ( int )
+ldap_pvt_url_scheme2tls LDAP_P((
+	const char * ));
+
+LDAP_F ( int )
+ldap_pvt_url_scheme_port LDAP_P((
+	const char *, int ));
+
+struct ldap_url_desc; /* avoid pulling in <ldap.h> */
+
+#define LDAP_PVT_URL_PARSE_NONE			(0x00U)
+#define LDAP_PVT_URL_PARSE_NOEMPTY_HOST		(0x01U)
+#define LDAP_PVT_URL_PARSE_DEF_PORT		(0x02U)
+#define LDAP_PVT_URL_PARSE_NOEMPTY_DN		(0x04U)
+#define LDAP_PVT_URL_PARSE_NODEF_SCOPE		(0x08U)
+#define	LDAP_PVT_URL_PARSE_HISTORIC		(LDAP_PVT_URL_PARSE_NODEF_SCOPE | \
+						 LDAP_PVT_URL_PARSE_NOEMPTY_HOST | \
+						 LDAP_PVT_URL_PARSE_DEF_PORT)
+
+LDAP_F( int )
+ldap_url_parse_ext LDAP_P((
+	LDAP_CONST char *url,
+	struct ldap_url_desc **ludpp,
+	unsigned flags ));
+
+LDAP_F (int) ldap_url_parselist LDAP_P((	/* deprecated, use ldap_url_parselist_ext() */
+	struct ldap_url_desc **ludlist,
+	const char *url ));
+
+LDAP_F (int) ldap_url_parselist_ext LDAP_P((
+	struct ldap_url_desc **ludlist,
+	const char *url,
+	const char *sep,
+	unsigned flags ));
+
+LDAP_F (char *) ldap_url_list2urls LDAP_P((
+	struct ldap_url_desc *ludlist ));
+
+LDAP_F (void) ldap_free_urllist LDAP_P((
+	struct ldap_url_desc *ludlist ));
+
+LDAP_F (int) ldap_pvt_scope2bv LDAP_P ((
+	int scope, struct berval *bv ));
+
+LDAP_F (LDAP_CONST char *) ldap_pvt_scope2str LDAP_P ((
+	int scope ));
+
+LDAP_F (int) ldap_pvt_bv2scope LDAP_P ((
+	struct berval *bv ));
+
+LDAP_F (int) ldap_pvt_str2scope LDAP_P ((
+	LDAP_CONST char * ));
+
+LDAP_F( char * )
+ldap_pvt_ctime LDAP_P((
+	const time_t *tp,
+	char *buf ));
+
+# if defined( HAVE_GMTIME_R )
+#   define USE_GMTIME_R
+#   define ldap_pvt_gmtime(timep, result) gmtime_r((timep), (result))
+# else
+LDAP_F( struct tm * )
+ldap_pvt_gmtime LDAP_P((
+	LDAP_CONST time_t *timep,
+	struct tm *result ));
+#endif
+
+# if defined( HAVE_LOCALTIME_R )
+#   define USE_LOCALTIME_R
+#   define ldap_pvt_localtime(timep, result) localtime_r((timep), (result))
+# else
+LDAP_F( struct tm * )
+ldap_pvt_localtime LDAP_P((
+	LDAP_CONST time_t *timep,
+	struct tm *result ));
+# endif
+
+#if defined( USE_GMTIME_R ) && defined( USE_LOCALTIME_R )
+#   define ldap_pvt_gmtime_lock() (0)
+#   define ldap_pvt_gmtime_unlock() (0)
+#else
+LDAP_F( int )
+ldap_pvt_gmtime_lock LDAP_P(( void ));
+
+LDAP_F( int )
+ldap_pvt_gmtime_unlock LDAP_P(( void ));
+#endif /* USE_GMTIME_R && USE_LOCALTIME_R */
+
+/* Get current time as a structured time */
+struct lutil_tm;
+LDAP_F( void )
+ldap_pvt_gettime LDAP_P(( struct lutil_tm * ));
+
+#ifdef _WIN32
+#define gettimeofday(tv,tz)	ldap_pvt_gettimeofday(tv,tz)
+struct timeval;
+LDAP_F( int )
+ldap_pvt_gettimeofday LDAP_P(( struct timeval *tv, void *unused ));
+#endif
+
+/* use this macro to allocate buffer for ldap_pvt_csnstr */
+#define LDAP_PVT_CSNSTR_BUFSIZE	64
+LDAP_F( size_t )
+ldap_pvt_csnstr( char *buf, size_t len, unsigned int replica, unsigned int mod );
+
+LDAP_F( char *) ldap_pvt_get_fqdn LDAP_P(( char * ));
+
+struct hostent;	/* avoid pulling in <netdb.h> */
+
+LDAP_F( int )
+ldap_pvt_gethostbyname_a LDAP_P((
+	const char *name,
+	struct hostent *resbuf,
+	char **buf,
+	struct hostent **result,
+	int *herrno_ptr ));
+
+LDAP_F( int )
+ldap_pvt_gethostbyaddr_a LDAP_P((
+	const char *addr,
+	int len,
+	int type,
+	struct hostent *resbuf,
+	char **buf,
+	struct hostent **result,
+	int *herrno_ptr ));
+
+struct sockaddr;
+
+LDAP_F( int )
+ldap_pvt_get_hname LDAP_P((
+	const struct sockaddr * sa,
+	int salen,
+	char *name,
+	int namelen,
+	char **herr ));
+
+
+/* charray.c */
+
+LDAP_F( int )
+ldap_charray_add LDAP_P((
+    char	***a,
+    const char *s ));
+
+LDAP_F( int )
+ldap_charray_merge LDAP_P((
+    char	***a,
+    char	**s ));
+
+LDAP_F( void )
+ldap_charray_free LDAP_P(( char **a ));
+
+LDAP_F( int )
+ldap_charray_inlist LDAP_P((
+    char	**a,
+    const char *s ));
+
+LDAP_F( char ** )
+ldap_charray_dup LDAP_P(( char **a ));
+
+LDAP_F( char ** )
+ldap_str2charray LDAP_P((
+	const char *str,
+	const char *brkstr ));
+
+LDAP_F( char * )
+ldap_charray2str LDAP_P((
+	char **array, const char* sep ));
+
+/* getdn.c */
+
+#ifdef LDAP_AVA_NULL	/* in ldap.h */
+LDAP_F( void ) ldap_rdnfree_x LDAP_P(( LDAPRDN rdn, void *ctx ));
+LDAP_F( void ) ldap_dnfree_x LDAP_P(( LDAPDN dn, void *ctx ));
+
+LDAP_F( int ) ldap_bv2dn_x LDAP_P(( 
+	struct berval *bv, LDAPDN *dn, unsigned flags, void *ctx ));
+LDAP_F( int ) ldap_dn2bv_x LDAP_P(( 
+	LDAPDN dn, struct berval *bv, unsigned flags, void *ctx ));
+LDAP_F( int ) ldap_bv2rdn_x LDAP_P(( 
+	struct berval *, LDAPRDN *, char **, unsigned flags, void *ctx ));
+LDAP_F( int ) ldap_rdn2bv_x LDAP_P(( 
+	LDAPRDN rdn, struct berval *bv, unsigned flags, void *ctx ));
+#endif /* LDAP_AVA_NULL */
+
+/* url.c */
+LDAP_F (void) ldap_pvt_hex_unescape LDAP_P(( char *s ));
+
+/*
+ * these macros assume 'x' is an ASCII x
+ * and assume the "C" locale
+ */
+#define LDAP_ASCII(c)		(!((c) & 0x80))
+#define LDAP_SPACE(c)		((c) == ' ' || (c) == '\t' || (c) == '\n')
+#define LDAP_DIGIT(c)		((c) >= '0' && (c) <= '9')
+#define LDAP_LOWER(c)		((c) >= 'a' && (c) <= 'z')
+#define LDAP_UPPER(c)		((c) >= 'A' && (c) <= 'Z')
+#define LDAP_ALPHA(c)		(LDAP_LOWER(c) || LDAP_UPPER(c))
+#define LDAP_ALNUM(c)		(LDAP_ALPHA(c) || LDAP_DIGIT(c))
+
+#define LDAP_LDH(c)			(LDAP_ALNUM(c) || (c) == '-')
+
+#define LDAP_HEXLOWER(c)	((c) >= 'a' && (c) <= 'f')
+#define LDAP_HEXUPPER(c)	((c) >= 'A' && (c) <= 'F')
+#define LDAP_HEX(c)			(LDAP_DIGIT(c) || \
+								LDAP_HEXLOWER(c) || LDAP_HEXUPPER(c))
+
+/* controls.c */
+struct ldapcontrol;
+LDAP_F (int)
+ldap_pvt_put_control LDAP_P((
+	const struct ldapcontrol *c,
+	BerElement *ber ));
+LDAP_F (int) ldap_pvt_get_controls LDAP_P((
+	BerElement *be,
+	struct ldapcontrol ***ctrlsp));
+
+#ifdef HAVE_CYRUS_SASL
+/* cyrus.c */
+struct sasl_security_properties; /* avoid pulling in <sasl.h> */
+LDAP_F (int) ldap_pvt_sasl_secprops LDAP_P((
+	const char *in,
+	struct sasl_security_properties *secprops ));
+LDAP_F (void) ldap_pvt_sasl_secprops_unparse LDAP_P((
+	struct sasl_security_properties *secprops,
+	struct berval *out ));
+
+LDAP_F (void *) ldap_pvt_sasl_mutex_new LDAP_P((void));
+LDAP_F (int) ldap_pvt_sasl_mutex_lock LDAP_P((void *mutex));
+LDAP_F (int) ldap_pvt_sasl_mutex_unlock LDAP_P((void *mutex));
+LDAP_F (void) ldap_pvt_sasl_mutex_dispose LDAP_P((void *mutex));
+#endif /* HAVE_CYRUS_SASL */
+
+struct sockbuf; /* avoid pulling in <lber.h> */
+LDAP_F (int) ldap_pvt_sasl_install LDAP_P(( struct sockbuf *, void * ));
+LDAP_F (void) ldap_pvt_sasl_remove LDAP_P(( struct sockbuf * ));
+
+/*
+ * SASL encryption support for LBER Sockbufs
+ */
+
+struct sb_sasl_generic_data;
+
+struct sb_sasl_generic_ops {
+	void (*init)(struct sb_sasl_generic_data *p,
+		     ber_len_t *min_send,
+		     ber_len_t *max_send,
+		     ber_len_t *max_recv);
+	ber_int_t (*encode)(struct sb_sasl_generic_data *p,
+			    unsigned char *buf,
+			    ber_len_t len,
+			    Sockbuf_Buf *dst);
+	ber_int_t (*decode)(struct sb_sasl_generic_data *p,
+			    const Sockbuf_Buf *src,
+			    Sockbuf_Buf *dst);
+	void (*reset_buf)(struct sb_sasl_generic_data *p,
+			  Sockbuf_Buf *buf);
+	void (*fini)(struct sb_sasl_generic_data *p);
+};
+
+struct sb_sasl_generic_install {
+	const struct sb_sasl_generic_ops 	*ops;
+	void					*ops_private;
+};
+
+struct sb_sasl_generic_data {
+	const struct sb_sasl_generic_ops 	*ops;
+	void					*ops_private;
+	Sockbuf_IO_Desc				*sbiod;
+	ber_len_t				min_send;
+	ber_len_t				max_send;
+	ber_len_t				max_recv;
+	Sockbuf_Buf				sec_buf_in;
+	Sockbuf_Buf				buf_in;
+	Sockbuf_Buf				buf_out;
+	unsigned int				flags;
+#define LDAP_PVT_SASL_PARTIAL_WRITE	1
+};
+ 
+#ifndef LDAP_PVT_SASL_LOCAL_SSF
+#define LDAP_PVT_SASL_LOCAL_SSF	71	/* SSF for Unix Domain Sockets */
+#endif /* ! LDAP_PVT_SASL_LOCAL_SSF */
+
+struct ldap;
+struct ldapmsg;
+
+/* abandon */
+LDAP_F ( int ) ldap_pvt_discard LDAP_P((
+	struct ldap *ld, ber_int_t msgid ));
+
+/* messages.c */
+LDAP_F( BerElement * )
+ldap_get_message_ber LDAP_P((
+	struct ldapmsg * ));
+
+/* open */
+LDAP_F (int) ldap_open_internal_connection LDAP_P((
+	struct ldap **ldp, ber_socket_t *fdp ));
+LDAP_F (int) ldap_init_fd LDAP_P((
+	ber_socket_t fd, int proto, LDAP_CONST char *url, struct ldap **ldp ));
+
+/* sasl.c */
+LDAP_F (int) ldap_pvt_sasl_generic_install LDAP_P(( Sockbuf *sb,
+	struct sb_sasl_generic_install *install_arg ));
+LDAP_F (void) ldap_pvt_sasl_generic_remove LDAP_P(( Sockbuf *sb ));
+
+/* search.c */
+LDAP_F( int ) ldap_pvt_put_filter LDAP_P((
+	BerElement *ber,
+	const char *str ));
+
+LDAP_F( char * )
+ldap_pvt_find_wildcard LDAP_P((	const char *s ));
+
+LDAP_F( ber_slen_t )
+ldap_pvt_filter_value_unescape LDAP_P(( char *filter ));
+
+LDAP_F( ber_len_t )
+ldap_bv2escaped_filter_value_len LDAP_P(( struct berval *in ));
+
+LDAP_F( int )
+ldap_bv2escaped_filter_value_x LDAP_P(( struct berval *in, struct berval *out,
+	int inplace, void *ctx ));
+
+LDAP_F (int) ldap_pvt_search LDAP_P((
+	struct ldap *ld,
+	LDAP_CONST char *base,
+	int scope,
+	LDAP_CONST char *filter,
+	char **attrs,
+	int attrsonly,
+	struct ldapcontrol **sctrls,
+	struct ldapcontrol **cctrls,
+	struct timeval *timeout,
+	int sizelimit,
+	int deref,
+	int *msgidp ));
+
+LDAP_F(int) ldap_pvt_search_s LDAP_P((
+	struct ldap *ld,
+	LDAP_CONST char *base,
+	int scope,
+	LDAP_CONST char *filter,
+	char **attrs,
+	int attrsonly,
+	struct ldapcontrol **sctrls,
+	struct ldapcontrol **cctrls,
+	struct timeval *timeout,
+	int sizelimit,
+	int deref,
+	struct ldapmsg **res ));
+
+/* string.c */
+LDAP_F( char * )
+ldap_pvt_str2upper LDAP_P(( char *str ));
+
+LDAP_F( char * )
+ldap_pvt_str2lower LDAP_P(( char *str ));
+
+LDAP_F( struct berval * )
+ldap_pvt_str2upperbv LDAP_P(( char *str, struct berval *bv ));
+
+LDAP_F( struct berval * )
+ldap_pvt_str2lowerbv LDAP_P(( char *str, struct berval *bv ));
+
+/* tls.c */
+LDAP_F (int) ldap_int_tls_config LDAP_P(( struct ldap *ld,
+	int option, const char *arg ));
+LDAP_F (int) ldap_pvt_tls_get_option LDAP_P(( struct ldap *ld,
+	int option, void *arg ));
+LDAP_F (int) ldap_pvt_tls_set_option LDAP_P(( struct ldap *ld,
+	int option, void *arg ));
+
+LDAP_F (void) ldap_pvt_tls_destroy LDAP_P(( void ));
+LDAP_F (int) ldap_pvt_tls_init LDAP_P(( void ));
+LDAP_F (int) ldap_pvt_tls_init_def_ctx LDAP_P(( int is_server ));
+LDAP_F (int) ldap_pvt_tls_accept LDAP_P(( Sockbuf *sb, void *ctx_arg ));
+LDAP_F (int) ldap_pvt_tls_inplace LDAP_P(( Sockbuf *sb ));
+LDAP_F (void *) ldap_pvt_tls_sb_ctx LDAP_P(( Sockbuf *sb ));
+LDAP_F (void) ldap_pvt_tls_ctx_free LDAP_P(( void * ));
+
+typedef int LDAPDN_rewrite_dummy LDAP_P (( void *dn, unsigned flags ));
+
+typedef int (LDAP_TLS_CONNECT_CB) LDAP_P (( struct ldap *ld, void *ssl,
+	void *ctx, void *arg ));
+
+LDAP_F (int) ldap_pvt_tls_get_my_dn LDAP_P(( void *ctx, struct berval *dn,
+	LDAPDN_rewrite_dummy *func, unsigned flags ));
+LDAP_F (int) ldap_pvt_tls_get_peer_dn LDAP_P(( void *ctx, struct berval *dn,
+	LDAPDN_rewrite_dummy *func, unsigned flags ));
+LDAP_F (int) ldap_pvt_tls_get_strength LDAP_P(( void *ctx ));
+
+LDAP_END_DECL
+
+/*
+ * Multiple precision stuff
+ * 
+ * May use OpenSSL's BIGNUM if built with TLS,
+ * or GNU's multiple precision library. But if
+ * long long is available, that's big enough
+ * and much more efficient.
+ *
+ * If none is available, unsigned long data is used.
+ */
+
+LDAP_BEGIN_DECL
+
+#ifdef USE_MP_BIGNUM
+/*
+ * Use OpenSSL's BIGNUM
+ */
+#include <openssl/crypto.h>
+#include <openssl/bn.h>
+
+typedef	BIGNUM* ldap_pvt_mp_t;
+#define	LDAP_PVT_MP_INIT	(NULL)
+
+#define	ldap_pvt_mp_init(mp) \
+	do { (mp) = BN_new(); } while (0)
+
+/* FIXME: we rely on mpr being initialized */
+#define	ldap_pvt_mp_init_set(mpr,mpv) \
+	do { ldap_pvt_mp_init((mpr)); BN_add((mpr), (mpr), (mpv)); } while (0)
+
+#define	ldap_pvt_mp_add(mpr,mpv) \
+	BN_add((mpr), (mpr), (mpv))
+
+#define	ldap_pvt_mp_add_ulong(mp,v) \
+	BN_add_word((mp), (v))
+
+#define ldap_pvt_mp_clear(mp) \
+	do { BN_free((mp)); (mp) = 0; } while (0)
+
+#elif defined(USE_MP_GMP)
+/*
+ * Use GNU's multiple precision library
+ */
+#include <gmp.h>
+
+typedef mpz_t		ldap_pvt_mp_t;
+#define	LDAP_PVT_MP_INIT	{ 0 }
+
+#define ldap_pvt_mp_init(mp) \
+	mpz_init((mp))
+
+#define	ldap_pvt_mp_init_set(mpr,mpv) \
+	mpz_init_set((mpr), (mpv))
+
+#define	ldap_pvt_mp_add(mpr,mpv) \
+	mpz_add((mpr), (mpr), (mpv))
+
+#define	ldap_pvt_mp_add_ulong(mp,v)	\
+	mpz_add_ui((mp), (mp), (v))
+
+#define ldap_pvt_mp_clear(mp) \
+	mpz_clear((mp))
+
+#else
+/*
+ * Use unsigned long long
+ */
+
+#ifdef USE_MP_LONG_LONG
+typedef	unsigned long long	ldap_pvt_mp_t;
+#define	LDAP_PVT_MP_INIT	(0LL)
+#elif defined(USE_MP_LONG)
+typedef	unsigned long		ldap_pvt_mp_t;
+#define	LDAP_PVT_MP_INIT	(0L)
+#elif defined(HAVE_LONG_LONG)
+typedef	unsigned long long	ldap_pvt_mp_t;
+#define	LDAP_PVT_MP_INIT	(0LL)
+#else
+typedef	unsigned long		ldap_pvt_mp_t;
+#define	LDAP_PVT_MP_INIT	(0L)
+#endif
+
+#define ldap_pvt_mp_init(mp) \
+	do { (mp) = 0; } while (0)
+
+#define	ldap_pvt_mp_init_set(mpr,mpv) \
+	do { (mpr) = (mpv); } while (0)
+
+#define	ldap_pvt_mp_add(mpr,mpv) \
+	do { (mpr) += (mpv); } while (0)
+
+#define	ldap_pvt_mp_add_ulong(mp,v) \
+	do { (mp) += (v); } while (0)
+
+#define ldap_pvt_mp_clear(mp) \
+	do { (mp) = 0; } while (0)
+
+#endif /* MP */
+
+#include "ldap_pvt_uc.h"
+
+LDAP_END_DECL
+
+LDAP_BEGIN_DECL
+
+#include <limits.h>				/* get CHAR_BIT */
+
+/* Buffer space for sign, decimal digits and \0. Note: log10(2) < 146/485. */
+#define LDAP_PVT_INTTYPE_CHARS(type) (((sizeof(type)*CHAR_BIT-1)*146)/485 + 3)
+
+LDAP_END_DECL
+
+#endif /* _LDAP_PVT_H */