embedaddon/sudo/plugins/sudoers/ldap.c - diff

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Diff for /embedaddon/sudo/plugins/sudoers/ldap.c between versions 1.1.1.2 and 1.1.1.6

version 1.1.1.2, 2012/05/29 12:26:49	version 1.1.1.6, 2014/06/15 16:12:54
Line 1	Line 1
/*	/*
* Copyright (c) 2003-2011 Todd C. Miller <Todd.Miller@courtesan.com>	* Copyright (c) 2003-2014 Todd C. Miller <Todd.Miller@courtesan.com>
*	*
* This code is derived from software contributed by Aaron Spangler.	* This code is derived from software contributed by Aaron Spangler.
*	*
Line 20	Line 20

#include <sys/types.h>	#include <sys/types.h>
#include <sys/time.h>	#include <sys/time.h>
#include <sys/param.h>
#include <sys/stat.h>	#include <sys/stat.h>
#include <stdio.h>	#include <stdio.h>
#ifdef STDC_HEADERS	#ifdef STDC_HEADERS
Line 40	Line 39
#ifdef HAVE_UNISTD_H	#ifdef HAVE_UNISTD_H
# include <unistd.h>	# include <unistd.h>
#endif /* HAVE_UNISTD_H */	#endif /* HAVE_UNISTD_H */
#if TIME_WITH_SYS_TIME	#ifdef TIME_WITH_SYS_TIME
# include <time.h>	# include <time.h>
#endif	#endif
#include <ctype.h>	#include <ctype.h>
	#include <fcntl.h>
#include <pwd.h>	#include <pwd.h>
#include <grp.h>	#include <grp.h>
	#include <signal.h>
#include <netinet/in.h>	#include <netinet/in.h>
#include <arpa/inet.h>	#include <arpa/inet.h>
#include <netdb.h>
#ifdef HAVE_LBER_H	#ifdef HAVE_LBER_H
# include <lber.h>	# include <lber.h>
#endif	#endif
Line 64	Line 64
# else	# else
# include <sasl.h>	# include <sasl.h>
# endif	# endif
# if HAVE_GSS_KRB5_CCACHE_NAME	#endif /* HAVE_LDAP_SASL_INTERACTIVE_BIND_S */
# if defined(HAVE_GSSAPI_GSSAPI_KRB5_H)
# include <gssapi/gssapi.h>
# include <gssapi/gssapi_krb5.h>
# elif defined(HAVE_GSSAPI_GSSAPI_H)
# include <gssapi/gssapi.h>
# else
# include <gssapi.h>
# endif
# endif
#endif

#include "sudoers.h"	#include "sudoers.h"
#include "parse.h"	#include "parse.h"
#include "lbuf.h"	#include "lbuf.h"
	#include "sudo_dso.h"

/* Older Netscape LDAP SDKs don't prototype ldapssl_set_strength() */	/* Older Netscape LDAP SDKs don't prototype ldapssl_set_strength() */
#if defined(HAVE_LDAPSSL_SET_STRENGTH) && !defined(HAVE_LDAP_SSL_H) && !defined(HAVE_MPS_LDAP_SSL_H)	#if defined(HAVE_LDAPSSL_SET_STRENGTH) && !defined(HAVE_LDAP_SSL_H) && !defined(HAVE_MPS_LDAP_SSL_H)
extern int ldapssl_set_strength(LDAP *ldap, int strength);	extern int ldapssl_set_strength(LDAP *ldap, int strength);
#endif	#endif

	#if !defined(LDAP_OPT_NETWORK_TIMEOUT) && defined(LDAP_OPT_CONNECT_TIMEOUT)
	# define LDAP_OPT_NETWORK_TIMEOUT LDAP_OPT_CONNECT_TIMEOUT
	#endif

#ifndef LDAP_OPT_SUCCESS	#ifndef LDAP_OPT_SUCCESS
# define LDAP_OPT_SUCCESS LDAP_SUCCESS	# define LDAP_OPT_SUCCESS LDAP_SUCCESS
#endif	#endif
Line 116 extern int ldapssl_set_strength(LDAP *ldap, int streng	Line 111 extern int ldapssl_set_strength(LDAP *ldap, int streng
(var) != NULL; \	(var) != NULL; \
(var) = ldap_next_entry((ld), (var)))	(var) = ldap_next_entry((ld), (var)))

#define DPRINTF(args, level) if (ldap_conf.debug >= level) warningx args	#if defined(__GNUC__) && __GNUC__ == 2
	# define DPRINTF1(fmt...) do { \
	if (ldap_conf.debug >= 1) \
	warningx(__VA_ARGS__); \
	sudo_debug_printf(SUDO_DEBUG_DIAG, fmt); \
	} while (0)
	# define DPRINTF2(fmt...) do { \
	if (ldap_conf.debug >= 2) \
	warningx(__VA_ARGS__); \
	sudo_debug_printf(SUDO_DEBUG_INFO, fmt); \
	} while (0)
	#else
	# define DPRINTF1(...) do { \
	if (ldap_conf.debug >= 1) \
	warningx(__VA_ARGS__); \
	sudo_debug_printf(SUDO_DEBUG_DIAG, __VA_ARGS__); \
	} while (0)
	# define DPRINTF2(...) do { \
	if (ldap_conf.debug >= 2) \
	warningx(__VA_ARGS__); \
	sudo_debug_printf(SUDO_DEBUG_INFO, __VA_ARGS__); \
	} while (0)
	#endif

#define CONF_BOOL 0	#define CONF_BOOL 0
#define CONF_INT 1	#define CONF_INT 1
Line 128 extern int ldapssl_set_strength(LDAP *ldap, int streng	Line 145 extern int ldapssl_set_strength(LDAP *ldap, int streng
#define SUDO_LDAP_SSL 1	#define SUDO_LDAP_SSL 1
#define SUDO_LDAP_STARTTLS 2	#define SUDO_LDAP_STARTTLS 2

/* The TIMEFILTER_LENGTH includes the filter itself plus the global AND	/* Default search filter. */
wrapped around the user filter and the time filter when timed entries	#define DEFAULT_SEARCH_FILTER "(objectClass=sudoRole)"

	/* The TIMEFILTER_LENGTH is the length of the filter when timed entries
are used. The length is computed as follows:	are used. The length is computed as follows:
85 for the filter	81 for the filter itself
+ 2 * 13 for the now timestamp	+ 2 * 17 for the now timestamp
+ 3 for the global AND
*/	*/
#define TIMEFILTER_LENGTH 114	#define TIMEFILTER_LENGTH 115

/*	/*
* The ldap_search structure implements a linked list of ldap and	* The ldap_search structure implements a linked list of ldap and
* search result pointers, which allows us to remove them after	* search result pointers, which allows us to remove them after
* all search results have been combined in memory.	* all search results have been combined in memory.
* XXX - should probably be a tailq since we do appends
*/	*/
struct ldap_search_list {	struct ldap_search_result {
	STAILQ_ENTRY(ldap_search_result) entries;
LDAP *ldap;	LDAP *ldap;
LDAPMessage *searchresult;	LDAPMessage *searchresult;
struct ldap_search_list *next;
};	};
	STAILQ_HEAD(ldap_search_list, ldap_search_result);

/*	/*
* The ldap_entry_wrapper structure is used to implement sorted result entries.	* The ldap_entry_wrapper structure is used to implement sorted result entries.
Line 166 struct ldap_entry_wrapper {	Line 184 struct ldap_entry_wrapper {
* well as an array of all result entries sorted by the sudoOrder attribute.	* well as an array of all result entries sorted by the sudoOrder attribute.
*/	*/
struct ldap_result {	struct ldap_result {
struct ldap_search_list *searches;	struct ldap_search_list searches;
struct ldap_entry_wrapper *entries;	struct ldap_entry_wrapper *entries;
int allocated_entries;	int allocated_entries;
int nentries;	int nentries;
Line 182 struct ldap_config_table {	Line 200 struct ldap_config_table {
void valp; / pointer into ldap_conf */	void valp; / pointer into ldap_conf */
};	};

struct ldap_config_list_str {	struct ldap_config_str {
struct ldap_config_list_str *next;	STAILQ_ENTRY(ldap_config_str) entries;
char val[1];	char val[1];
};	};

	STAILQ_HEAD(ldap_config_str_list, ldap_config_str);

/* LDAP configuration structure */	/* LDAP configuration structure */
static struct ldap_config {	static struct ldap_config {
int port;	int port;
Line 203 static struct ldap_config {	Line 223 static struct ldap_config {
int timed;	int timed;
int deref;	int deref;
char *host;	char *host;
struct ldap_config_list_str *uri;	struct ldap_config_str_list uri;
char *binddn;	char *binddn;
char *bindpw;	char *bindpw;
char *rootbinddn;	char *rootbinddn;
struct ldap_config_list_str *base;	struct ldap_config_str_list base;
char *search_filter;	char *search_filter;
char *ssl;	char *ssl;
char *tls_cacertfile;	char *tls_cacertfile;
Line 216 static struct ldap_config {	Line 236 static struct ldap_config {
char *tls_cipher_suite;	char *tls_cipher_suite;
char *tls_certfile;	char *tls_certfile;
char *tls_keyfile;	char *tls_keyfile;
	char *tls_keypw;
char *sasl_auth_id;	char *sasl_auth_id;
char *rootsasl_auth_id;	char *rootsasl_auth_id;
char *sasl_secprops;	char *sasl_secprops;
Line 255 static struct ldap_config_table ldap_conf_global[] = {	Line 276 static struct ldap_config_table ldap_conf_global[] = {
#ifdef LDAP_OPT_X_TLS_CIPHER_SUITE	#ifdef LDAP_OPT_X_TLS_CIPHER_SUITE
{ "tls_ciphers", CONF_STR, LDAP_OPT_X_TLS_CIPHER_SUITE,	{ "tls_ciphers", CONF_STR, LDAP_OPT_X_TLS_CIPHER_SUITE,
&ldap_conf.tls_cipher_suite },	&ldap_conf.tls_cipher_suite },
	#elif defined(LDAP_OPT_SSL_CIPHER)
	{ "tls_ciphers", CONF_STR, LDAP_OPT_SSL_CIPHER,
	&ldap_conf.tls_cipher_suite },
#endif	#endif
#ifdef LDAP_OPT_X_TLS_CERTFILE	#ifdef LDAP_OPT_X_TLS_CERTFILE
{ "tls_cert", CONF_STR, LDAP_OPT_X_TLS_CERTFILE,	{ "tls_cert", CONF_STR, LDAP_OPT_X_TLS_CERTFILE,
Line 268 static struct ldap_config_table ldap_conf_global[] = {	Line 292 static struct ldap_config_table ldap_conf_global[] = {
#else	#else
{ "tls_key", CONF_STR, -1, &ldap_conf.tls_keyfile },	{ "tls_key", CONF_STR, -1, &ldap_conf.tls_keyfile },
#endif	#endif
	#ifdef HAVE_LDAP_SSL_CLIENT_INIT
	{ "tls_keypw", CONF_STR, -1, &ldap_conf.tls_keypw },
	#endif
{ "binddn", CONF_STR, -1, &ldap_conf.binddn },	{ "binddn", CONF_STR, -1, &ldap_conf.binddn },
{ "bindpw", CONF_STR, -1, &ldap_conf.bindpw },	{ "bindpw", CONF_STR, -1, &ldap_conf.bindpw },
{ "rootbinddn", CONF_STR, -1, &ldap_conf.rootbinddn },	{ "rootbinddn", CONF_STR, -1, &ldap_conf.rootbinddn },
Line 346 struct sudo_ldap_handle {	Line 373 struct sudo_ldap_handle {
};	};

struct sudo_nss sudo_nss_ldap = {	struct sudo_nss sudo_nss_ldap = {
&sudo_nss_ldap,	{ NULL, NULL },
NULL,
sudo_ldap_open,	sudo_ldap_open,
sudo_ldap_close,	sudo_ldap_close,
sudo_ldap_parse,	sudo_ldap_parse,
Line 371 sudo_ldap_conf_add_ports(void)	Line 397 sudo_ldap_conf_add_ports(void)

char host, port, defport[13];	char host, port, defport[13];
char hostbuf[LINE_MAX * 2];	char hostbuf[LINE_MAX * 2];
	int len;
debug_decl(sudo_ldap_conf_add_ports, SUDO_DEBUG_LDAP)	debug_decl(sudo_ldap_conf_add_ports, SUDO_DEBUG_LDAP)

hostbuf[0] = '\0';	hostbuf[0] = '\0';
if (snprintf(defport, sizeof(defport), ":%d", ldap_conf.port) >= sizeof(defport))	len = snprintf(defport, sizeof(defport), ":%d", ldap_conf.port);
errorx(1, _("sudo_ldap_conf_add_ports: port too large"));	if (len <= 0 \|\| (size_t)len >= sizeof(defport))
	fatalx(U_("sudo_ldap_conf_add_ports: port too large"));

for ((host = strtok(ldap_conf.host, " \t")); host; (host = strtok(NULL, " \t"))) {	for ((host = strtok(ldap_conf.host, " \t")); host; (host = strtok(NULL, " \t"))) {
if (hostbuf[0] != '\0') {	if (hostbuf[0] != '\0') {
Line 398 sudo_ldap_conf_add_ports(void)	Line 426 sudo_ldap_conf_add_ports(void)
debug_return;	debug_return;

toobig:	toobig:
errorx(1, _("sudo_ldap_conf_add_ports: out of space expanding hostbuf"));	fatalx(U_("sudo_ldap_conf_add_ports: out of space expanding hostbuf"));
}	}
#endif	#endif

Line 407 toobig:	Line 435 toobig:
* For each uri, convert to host:port pairs. For ldaps:// enable SSL	* For each uri, convert to host:port pairs. For ldaps:// enable SSL
* Accepts: uris of the form ldap:/// or ldap://hostname:portnum/	* Accepts: uris of the form ldap:/// or ldap://hostname:portnum/
* where the trailing slash is optional.	* where the trailing slash is optional.
	* Returns LDAP_SUCCESS on success, else non-zero.
*/	*/
static int	static int
sudo_ldap_parse_uri(const struct ldap_config_list_str *uri_list)	sudo_ldap_parse_uri(const struct ldap_config_str_list *uri_list)
{	{
	const struct ldap_config_str *entry;
char buf, uri, host, cp, *port;	char buf, uri, host, cp, *port;
char hostbuf[LINE_MAX];	char hostbuf[LINE_MAX];
int nldap = 0, nldaps = 0;	int nldap = 0, nldaps = 0;
int rc = -1;	int rc = -1;
debug_decl(sudo_ldap_parse_uri, SUDO_DEBUG_LDAP)	debug_decl(sudo_ldap_parse_uri, SUDO_DEBUG_LDAP)

do {	hostbuf[0] = '\0';
buf = estrdup(uri_list->val);	STAILQ_FOREACH(entry, uri_list, entries) {
hostbuf[0] = '\0';	buf = estrdup(entry->val);
for ((uri = strtok(buf, " \t")); uri != NULL; (uri = strtok(NULL, " \t"))) {	for ((uri = strtok(buf, " \t")); uri != NULL; (uri = strtok(NULL, " \t"))) {
if (strncasecmp(uri, "ldap://", 7) == 0) {	if (strncasecmp(uri, "ldap://", 7) == 0) {
nldap++;	nldap++;
Line 428 sudo_ldap_parse_uri(const struct ldap_config_list_str	Line 458 sudo_ldap_parse_uri(const struct ldap_config_list_str
nldaps++;	nldaps++;
host = uri + 8;	host = uri + 8;
} else {	} else {
warningx(_("unsupported LDAP uri type: %s"), uri);	warningx(U_("unsupported LDAP uri type: %s"), uri);
goto done;	goto done;
}	}

Line 456 sudo_ldap_parse_uri(const struct ldap_config_list_str	Line 486 sudo_ldap_parse_uri(const struct ldap_config_list_str
goto toobig;	goto toobig;
}	}
}	}
if (hostbuf[0] == '\0') {
warningx(_("invalid uri: %s"), uri_list->val);
goto done;
}

if (nldaps != 0) {	if (nldaps != 0) {
if (nldap != 0) {	if (nldap != 0) {
warningx(_("unable to mix ldap and ldaps URIs"));	warningx(U_("unable to mix ldap and ldaps URIs"));
goto done;	goto done;
}	}
if (ldap_conf.ssl_mode == SUDO_LDAP_STARTTLS) {	if (ldap_conf.ssl_mode == SUDO_LDAP_STARTTLS)
warningx(_("unable to mix ldaps and starttls"));	warningx(U_("starttls not supported when using ldaps"));
goto done;
}
ldap_conf.ssl_mode = SUDO_LDAP_SSL;	ldap_conf.ssl_mode = SUDO_LDAP_SSL;
}	}

efree(ldap_conf.host);
ldap_conf.host = estrdup(hostbuf);
efree(buf);	efree(buf);
} while ((uri_list = uri_list->next));	}

buf = NULL;	buf = NULL;
rc = 0;

	/* Store parsed URI(s) in host for ldap_create() or ldap_init(). */
	efree(ldap_conf.host);
	ldap_conf.host = estrdup(hostbuf);

	rc = LDAP_SUCCESS;

done:	done:
efree(buf);	efree(buf);
debug_return_int(rc);	debug_return_int(rc);

toobig:	toobig:
errorx(1, _("sudo_ldap_parse_uri: out of space building hostbuf"));	fatalx(U_("sudo_ldap_parse_uri: out of space building hostbuf"));
}	}
#else	#else
static char *	static char *
sudo_ldap_join_uri(struct ldap_config_list_str *uri_list)	sudo_ldap_join_uri(struct ldap_config_str_list *uri_list)
{	{
struct ldap_config_list_str *uri;	struct ldap_config_str *uri;
size_t len = 0;	size_t len = 0;
char buf, cp;	char buf, cp;
debug_decl(sudo_ldap_join_uri, SUDO_DEBUG_LDAP)	debug_decl(sudo_ldap_join_uri, SUDO_DEBUG_LDAP)

/* Usually just a single entry. */	STAILQ_FOREACH(uri, uri_list, entries) {
if (uri_list->next == NULL)	if (ldap_conf.ssl_mode == SUDO_LDAP_STARTTLS) {
debug_return_str(estrdup(uri_list->val));	if (strncasecmp(uri->val, "ldaps://", 8) == 0) {
	warningx(U_("starttls not supported when using ldaps"));
for (uri = uri_list; uri != NULL; uri = uri->next) {	ldap_conf.ssl_mode = SUDO_LDAP_SSL;
	}
	}
len += strlen(uri->val) + 1;	len += strlen(uri->val) + 1;
}	}
buf = cp = emalloc(len);	buf = cp = emalloc(len);
buf[0] = '\0';	buf[0] = '\0';
for (uri = uri_list; uri != NULL; uri = uri->next) {	STAILQ_FOREACH(uri, uri_list, entries) {
cp += strlcpy(cp, uri->val, len - (cp - buf));	cp += strlcpy(cp, uri->val, len - (cp - buf));
*cp++ = ' ';	*cp++ = ' ';
}	}
Line 515 sudo_ldap_join_uri(struct ldap_config_list_str *uri_li	Line 542 sudo_ldap_join_uri(struct ldap_config_list_str *uri_li
}	}
#endif /* HAVE_LDAP_INITIALIZE */	#endif /* HAVE_LDAP_INITIALIZE */

	/*
	* Wrapper for ldap_create() or ldap_init() that handles
	* SSL/TLS initialization as well.
	* Returns LDAP_SUCCESS on success, else non-zero.
	*/
static int	static int
sudo_ldap_init(LDAP *ldp, const char host, int port)	sudo_ldap_init(LDAP *ldp, const char host, int port)
{	{
LDAP *ld = NULL;	LDAP *ld;
int rc = LDAP_CONNECT_ERROR;	int rc = LDAP_CONNECT_ERROR;
debug_decl(sudo_ldap_init, SUDO_DEBUG_LDAP)	debug_decl(sudo_ldap_init, SUDO_DEBUG_LDAP)

#ifdef HAVE_LDAPSSL_INIT	#ifdef HAVE_LDAPSSL_INIT
if (ldap_conf.ssl_mode != SUDO_LDAP_CLEAR) {	if (ldap_conf.ssl_mode != SUDO_LDAP_CLEAR) {
const int defsecure = ldap_conf.ssl_mode == SUDO_LDAP_SSL;	const int defsecure = ldap_conf.ssl_mode == SUDO_LDAP_SSL;
DPRINTF(("ldapssl_clientauth_init(%s, %s)",	DPRINTF2("ldapssl_clientauth_init(%s, %s)",
ldap_conf.tls_certfile ? ldap_conf.tls_certfile : "NULL",	ldap_conf.tls_certfile ? ldap_conf.tls_certfile : "NULL",
ldap_conf.tls_keyfile ? ldap_conf.tls_keyfile : "NULL"), 2);	ldap_conf.tls_keyfile ? ldap_conf.tls_keyfile : "NULL");
rc = ldapssl_clientauth_init(ldap_conf.tls_certfile, NULL,	rc = ldapssl_clientauth_init(ldap_conf.tls_certfile, NULL,
ldap_conf.tls_keyfile != NULL, ldap_conf.tls_keyfile, NULL);	ldap_conf.tls_keyfile != NULL, ldap_conf.tls_keyfile, NULL);
/*	/*
Line 552 sudo_ldap_init(LDAP *ldp, const char host, int port)	Line 584 sudo_ldap_init(LDAP *ldp, const char host, int port)
}	}
}	}
if (retry) {	if (retry) {
DPRINTF(("ldapssl_clientauth_init(%s, %s)",	DPRINTF2("ldapssl_clientauth_init(%s, %s)",
ldap_conf.tls_certfile ? ldap_conf.tls_certfile : "NULL",	ldap_conf.tls_certfile ? ldap_conf.tls_certfile : "NULL",
ldap_conf.tls_keyfile ? ldap_conf.tls_keyfile : "NULL"), 2);	ldap_conf.tls_keyfile ? ldap_conf.tls_keyfile : "NULL");
rc = ldapssl_clientauth_init(ldap_conf.tls_certfile, NULL,	rc = ldapssl_clientauth_init(ldap_conf.tls_certfile, NULL,
ldap_conf.tls_keyfile != NULL, ldap_conf.tls_keyfile, NULL);	ldap_conf.tls_keyfile != NULL, ldap_conf.tls_keyfile, NULL);
}	}
}	}
if (rc != LDAP_SUCCESS) {	if (rc != LDAP_SUCCESS) {
warningx(_("unable to initialize SSL cert and key db: %s"),	warningx(U_("unable to initialize SSL cert and key db: %s"),
ldapssl_err2string(rc));	ldapssl_err2string(rc));
if (ldap_conf.tls_certfile == NULL)	if (ldap_conf.tls_certfile == NULL)
warningx(_("you must set TLS_CERT in %s to use SSL"),	warningx(U_("you must set TLS_CERT in %s to use SSL"),
_PATH_LDAP_CONF);	path_ldap_conf);
goto done;	goto done;
}	}

DPRINTF(("ldapssl_init(%s, %d, %d)", host, port, defsecure), 2);	DPRINTF2("ldapssl_init(%s, %d, %d)", host, port, defsecure);
if ((ld = ldapssl_init(host, port, defsecure)) != NULL)	if ((ld = ldapssl_init(host, port, defsecure)) != NULL)
rc = LDAP_SUCCESS;	rc = LDAP_SUCCESS;
} else	} else
	#elif defined(HAVE_LDAP_SSL_INIT) && defined(HAVE_LDAP_SSL_CLIENT_INIT)
	if (ldap_conf.ssl_mode == SUDO_LDAP_SSL) {
	int sslrc;
	rc = ldap_ssl_client_init(ldap_conf.tls_keyfile, ldap_conf.tls_keypw,
	0, &sslrc);
	if (rc != LDAP_SUCCESS) {
	warningx("ldap_ssl_client_init(): %s (SSL reason code %d)",
	ldap_err2string(rc), sslrc);
	goto done;
	}
	DPRINTF2("ldap_ssl_init(%s, %d, NULL)", host, port);
	if ((ld = ldap_ssl_init((char *)host, port, NULL)) != NULL)
	rc = LDAP_SUCCESS;
	} else
#endif	#endif
{	{
#ifdef HAVE_LDAP_CREATE	#ifdef HAVE_LDAP_CREATE
DPRINTF(("ldap_create()"), 2);	DPRINTF2("ldap_create()");
if ((rc = ldap_create(&ld)) != LDAP_SUCCESS)	if ((rc = ldap_create(&ld)) != LDAP_SUCCESS)
goto done;	goto done;
DPRINTF(("ldap_set_option(LDAP_OPT_HOST_NAME, %s)", host), 2);	DPRINTF2("ldap_set_option(LDAP_OPT_HOST_NAME, %s)", host);
rc = ldap_set_option(ld, LDAP_OPT_HOST_NAME, host);	rc = ldap_set_option(ld, LDAP_OPT_HOST_NAME, host);
#else	#else
DPRINTF(("ldap_init(%s, %d)", host, port), 2);	DPRINTF2("ldap_init(%s, %d)", host, port);
if ((ld = ldap_init(host, port)) != NULL)	if ((ld = ldap_init((char *)host, port)) == NULL)
rc = LDAP_SUCCESS;	goto done;
	rc = LDAP_SUCCESS;
#endif	#endif
}	}

done:
*ldp = ld;	*ldp = ld;
	done:
debug_return_int(rc);	debug_return_int(rc);
}	}

/*	/*
* Walk through search results and return true if we have a matching	* Walk through search results and return true if we have a matching
* netgroup, else false.	* non-Unix group (including netgroups), else false.
*/	*/
static bool	static bool
sudo_ldap_check_user_netgroup(LDAP ld, LDAPMessage entry, char *user)	sudo_ldap_check_non_unix_group(LDAP ld, LDAPMessage entry, struct passwd *pw)
{	{
struct berval bv, p;	struct berval bv, p;
char *val;	char *val;
int ret = false;	int ret = false;
debug_decl(sudo_ldap_check_user_netgroup, SUDO_DEBUG_LDAP)	debug_decl(sudo_ldap_check_non_unix_group, SUDO_DEBUG_LDAP)

if (!entry)	if (!entry)
debug_return_bool(ret);	debug_return_bool(ret);
Line 615 sudo_ldap_check_user_netgroup(LDAP ld, LDAPMessage e	Line 662 sudo_ldap_check_user_netgroup(LDAP ld, LDAPMessage e
/* walk through values */	/* walk through values */
for (p = bv; *p != NULL && !ret; p++) {	for (p = bv; *p != NULL && !ret; p++) {
val = (*p)->bv_val;	val = (*p)->bv_val;
/* match any */	if (*val == '+') {
if (netgr_matches(val, NULL, NULL, user))	if (netgr_matches(val, NULL, NULL, pw->pw_name))
ret = true;	ret = true;
DPRINTF(("ldap sudoUser netgroup '%s' ... %s", val,	DPRINTF2("ldap sudoUser netgroup '%s' ... %s", val,
ret ? "MATCH!" : "not"), 2 + ((ret) ? 0 : 1));	ret ? "MATCH!" : "not");
	} else {
	if (group_plugin_query(pw->pw_name, val + 2, pw))
	ret = true;
	DPRINTF2("ldap sudoUser non-Unix group '%s' ... %s", val,
	ret ? "MATCH!" : "not");
	}
}	}

ldap_value_free_len(bv); /* cleanup */	ldap_value_free_len(bv); /* cleanup */
Line 655 sudo_ldap_check_host(LDAP ld, LDAPMessage entry)	Line 708 sudo_ldap_check_host(LDAP ld, LDAPMessage entry)
netgr_matches(val, user_host, user_shost, NULL) \|\|	netgr_matches(val, user_host, user_shost, NULL) \|\|
hostname_matches(user_shost, user_host, val))	hostname_matches(user_shost, user_host, val))
ret = true;	ret = true;
DPRINTF(("ldap sudoHost '%s' ... %s", val,	DPRINTF2("ldap sudoHost '%s' ... %s", val, ret ? "MATCH!" : "not");
ret ? "MATCH!" : "not"), 2);
}	}

ldap_value_free_len(bv); /* cleanup */	ldap_value_free_len(bv); /* cleanup */
Line 723 sudo_ldap_check_runas_user(LDAP ld, LDAPMessage entr	Line 775 sudo_ldap_check_runas_user(LDAP ld, LDAPMessage entr
}	}
/* FALLTHROUGH */	/* FALLTHROUGH */
default:	default:
if (strcasecmp(val, runas_pw->pw_name) == 0)	if (userpw_matches(val, runas_pw->pw_name, runas_pw))
ret = true;	ret = true;
break;	break;
}	}
DPRINTF(("ldap sudoRunAsUser '%s' ... %s", val,	DPRINTF2("ldap sudoRunAsUser '%s' ... %s", val, ret ? "MATCH!" : "not");
ret ? "MATCH!" : "not"), 2);
}	}

ldap_value_free_len(bv); /* cleanup */	ldap_value_free_len(bv); /* cleanup */
Line 758 sudo_ldap_check_runas_group(LDAP ld, LDAPMessage ent	Line 809 sudo_ldap_check_runas_group(LDAP ld, LDAPMessage ent
val = (*p)->bv_val;	val = (*p)->bv_val;
if (strcmp(val, "ALL") == 0 \|\| group_matches(val, runas_gr))	if (strcmp(val, "ALL") == 0 \|\| group_matches(val, runas_gr))
ret = true;	ret = true;
DPRINTF(("ldap sudoRunAsGroup '%s' ... %s", val,	DPRINTF2("ldap sudoRunAsGroup '%s' ... %s",
ret ? "MATCH!" : "not"), 2);	val, ret ? "MATCH!" : "not");
}	}

ldap_value_free_len(bv); /* cleanup */	ldap_value_free_len(bv); /* cleanup */
Line 786 sudo_ldap_check_runas(LDAP ld, LDAPMessage entry)	Line 837 sudo_ldap_check_runas(LDAP ld, LDAPMessage entry)
debug_return_bool(ret);	debug_return_bool(ret);
}	}

	static struct sudo_digest *
	sudo_ldap_extract_digest(char *cmnd, struct sudo_digest digest)
	{
	char ep, cp = *cmnd;
	int digest_type = SUDO_DIGEST_INVALID;
	debug_decl(sudo_ldap_check_command, SUDO_DEBUG_LDAP)

	/*
	* Check for and extract a digest prefix, e.g.
	* sha224:d06a2617c98d377c250edd470fd5e576327748d82915d6e33b5f8db1 /bin/ls
	*/
	if (cp[0] == 's' && cp[1] == 'h' && cp[2] == 'a') {
	switch (cp[3]) {
	case '2':
	if (cp[4] == '2' && cp[5] == '4')
	digest_type = SUDO_DIGEST_SHA224;
	else if (cp[4] == '5' && cp[5] == '6')
	digest_type = SUDO_DIGEST_SHA256;
	break;
	case '3':
	if (cp[4] == '8' && cp[5] == '4')
	digest_type = SUDO_DIGEST_SHA384;
	break;
	case '5':
	if (cp[4] == '1' && cp[5] == '2')
	digest_type = SUDO_DIGEST_SHA512;
	break;
	}
	if (digest_type != SUDO_DIGEST_INVALID) {
	cp += 6;
	while (isblank((unsigned char)*cp))
	cp++;
	if (*cp == ':') {
	cp++;
	while (isblank((unsigned char)*cp))
	cp++;
	ep = cp;
	while (ep != '\0' && !isblank((unsigned char)ep))
	ep++;
	if (*ep != '\0') {
	digest->digest_type = digest_type;
	digest->digest_str = estrndup(cp, (size_t)(ep - cp));
	cp = ep + 1;
	while (isblank((unsigned char)*cp))
	cp++;
	*cmnd = cp;
	DPRINTF1("%s digest %s for %s",
	digest_type == SUDO_DIGEST_SHA224 ? "sha224" :
	digest_type == SUDO_DIGEST_SHA256 ? "sha256" :
	digest_type == SUDO_DIGEST_SHA384 ? "sha384" :
	"sha512", digest->digest_str, cp);
	debug_return_ptr(digest);
	}
	}
	}
	}
	debug_return_ptr(NULL);
	}

/*	/*
* Walk through search results and return true if we have a command match,	* Walk through search results and return true if we have a command match,
* false if disallowed and UNSPEC if not matched.	* false if disallowed and UNSPEC if not matched.
Line 793 sudo_ldap_check_runas(LDAP ld, LDAPMessage entry)	Line 903 sudo_ldap_check_runas(LDAP ld, LDAPMessage entry)
static int	static int
sudo_ldap_check_command(LDAP ld, LDAPMessage entry, int *setenv_implied)	sudo_ldap_check_command(LDAP ld, LDAPMessage entry, int *setenv_implied)
{	{
	struct sudo_digest digest, *allowed_digest = NULL;
struct berval bv, p;	struct berval bv, p;
char allowed_cmnd, allowed_args, *val;	char allowed_cmnd, allowed_args, *val;
bool foundbang;	bool foundbang;
Line 813 sudo_ldap_check_command(LDAP ld, LDAPMessage entry,	Line 924 sudo_ldap_check_command(LDAP ld, LDAPMessage entry,
ret = true;	ret = true;
if (setenv_implied != NULL)	if (setenv_implied != NULL)
*setenv_implied = true;	*setenv_implied = true;
DPRINTF(("ldap sudoCommand '%s' ... MATCH!", val), 2);	DPRINTF2("ldap sudoCommand '%s' ... MATCH!", val);
continue;	continue;
}	}

	/* check for sha-2 digest */
	allowed_digest = sudo_ldap_extract_digest(&val, &digest);

/* check for !command */	/* check for !command */
if (*val == '!') {	if (*val == '!') {
foundbang = true;	foundbang = true;
Line 832 sudo_ldap_check_command(LDAP ld, LDAPMessage entry,	Line 946 sudo_ldap_check_command(LDAP ld, LDAPMessage entry,
*allowed_args++ = '\0';	*allowed_args++ = '\0';

/* check the command like normal */	/* check the command like normal */
if (command_matches(allowed_cmnd, allowed_args)) {	if (command_matches(allowed_cmnd, allowed_args, allowed_digest)) {
/*	/*
* If allowed (no bang) set ret but keep on checking.	* If allowed (no bang) set ret but keep on checking.
* If disallowed (bang), exit loop.	* If disallowed (bang), exit loop.
*/	*/
ret = foundbang ? false : true;	ret = foundbang ? false : true;
}	}
DPRINTF(("ldap sudoCommand '%s' ... %s", val,	DPRINTF2("ldap sudoCommand '%s' ... %s",
ret == true ? "MATCH!" : "not"), 2);	val, ret == true ? "MATCH!" : "not");

efree(allowed_cmnd); /* cleanup */	efree(allowed_cmnd); /* cleanup */
	if (allowed_digest != NULL)
	efree(allowed_digest->digest_str);
}	}

ldap_value_free_len(bv); /* more cleanup */	ldap_value_free_len(bv); /* more cleanup */
Line 872 sudo_ldap_check_bool(LDAP ld, LDAPMessage entry, cha	Line 988 sudo_ldap_check_bool(LDAP ld, LDAPMessage entry, cha
/* walk through options */	/* walk through options */
for (p = bv; *p != NULL; p++) {	for (p = bv; *p != NULL; p++) {
var = (*p)->bv_val;;	var = (*p)->bv_val;;
DPRINTF(("ldap sudoOption: '%s'", var), 2);	DPRINTF2("ldap sudoOption: '%s'", var);

if ((ch = *var) == '!')	if ((ch = *var) == '!')
var++;	var++;
Line 906 sudo_ldap_parse_options(LDAP ld, LDAPMessage entry)	Line 1022 sudo_ldap_parse_options(LDAP ld, LDAPMessage entry)
/* walk through options */	/* walk through options */
for (p = bv; *p != NULL; p++) {	for (p = bv; *p != NULL; p++) {
var = estrdup((*p)->bv_val);	var = estrdup((*p)->bv_val);
DPRINTF(("ldap sudoOption: '%s'", var), 2);	DPRINTF2("ldap sudoOption: '%s'", var);

/* check for equals sign past first char */	/* check for equals sign past first char */
val = strchr(var, '=');	val = strchr(var, '=');
Line 963 sudo_ldap_timefilter(char *buffer, size_t buffersize)	Line 1079 sudo_ldap_timefilter(char *buffer, size_t buffersize)
{	{
struct tm *tp;	struct tm *tp;
time_t now;	time_t now;
char timebuffer[16];	char timebuffer[sizeof("20120727121554.0Z")];
int bytes = 0;	int bytes = 0;
debug_decl(sudo_ldap_timefilter, SUDO_DEBUG_LDAP)	debug_decl(sudo_ldap_timefilter, SUDO_DEBUG_LDAP)

/* Make sure we have a formatted timestamp for __now__. */	/* Make sure we have a formatted timestamp for __now__. */
time(&now);	time(&now);
if ((tp = gmtime(&now)) == NULL) {	if ((tp = gmtime(&now)) == NULL) {
warning(_("unable to get GMT time"));	warning(U_("unable to get GMT time"));
goto done;	goto done;
}	}

/* Format the timestamp according to the RFC. */	/* Format the timestamp according to the RFC. */
if (strftime(timebuffer, sizeof(timebuffer), "%Y%m%d%H%M%SZ", tp) == 0) {	if (strftime(timebuffer, sizeof(timebuffer), "%Y%m%d%H%M%S.0Z", tp) == 0) {
warning(_("unable to format timestamp"));	warningx(U_("unable to format timestamp"));
goto done;	goto done;
}	}

/* Build filter. */	/* Build filter. */
bytes = snprintf(buffer, buffersize, "(&(\|(!(sudoNotAfter=))(sudoNotAfter>=%s))(\|(!(sudoNotBefore=))(sudoNotBefore<=%s)))",	bytes = snprintf(buffer, buffersize, "(&(\|(!(sudoNotAfter=))(sudoNotAfter>=%s))(\|(!(sudoNotBefore=))(sudoNotBefore<=%s)))",
timebuffer, timebuffer);	timebuffer, timebuffer);
if (bytes < 0 \|\| bytes >= buffersize) {	if (bytes <= 0 \|\| (size_t)bytes >= buffersize) {
warning(_("unable to build time filter"));	warning(U_("unable to build time filter"));
bytes = 0;	bytes = 0;
}	}

Line 1108 static char *	Line 1224 static char *
sudo_ldap_build_pass1(struct passwd *pw)	sudo_ldap_build_pass1(struct passwd *pw)
{	{
struct group *grp;	struct group *grp;
char *buf, timebuffer[TIMEFILTER_LENGTH], gidbuf[MAX_UID_T_LEN];	char *buf, timebuffer[TIMEFILTER_LENGTH + 1], gidbuf[MAX_UID_T_LEN + 1];
struct group_list *grlist;	struct group_list *grlist;
size_t sz = 0;	size_t sz = 0;
int i;	int i;
debug_decl(sudo_ldap_build_pass1, SUDO_DEBUG_LDAP)	debug_decl(sudo_ldap_build_pass1, SUDO_DEBUG_LDAP)

/* Start with LDAP search filter length + 3 */	/* If there is a filter, allocate space for the global AND. */
	if (ldap_conf.timed \|\| ldap_conf.search_filter)
	sz += 3;

	/* Add LDAP search filter if present. */
if (ldap_conf.search_filter)	if (ldap_conf.search_filter)
sz += strlen(ldap_conf.search_filter) + 3;	sz += strlen(ldap_conf.search_filter);

/* Then add (\|(sudoUser=USERNAME)(sudoUser=ALL)) + NUL */	/* Then add (\|(sudoUser=USERNAME)(sudoUser=ALL)) + NUL */
sz += 29 + sudo_ldap_value_len(pw->pw_name);	sz += 29 + sudo_ldap_value_len(pw->pw_name);
Line 1126 sudo_ldap_build_pass1(struct passwd *pw)	Line 1246 sudo_ldap_build_pass1(struct passwd *pw)
sz += 12 + sudo_ldap_value_len(grp->gr_name);	sz += 12 + sudo_ldap_value_len(grp->gr_name);
}	}
sz += 13 + MAX_UID_T_LEN;	sz += 13 + MAX_UID_T_LEN;
if ((grlist = get_group_list(pw)) != NULL) {	if ((grlist = sudo_get_grlist(pw)) != NULL) {
for (i = 0; i < grlist->ngroups; i++) {	for (i = 0; i < grlist->ngroups; i++) {
if (grp != NULL && strcasecmp(grlist->groups[i], grp->gr_name) == 0)	if (grp != NULL && strcasecmp(grlist->groups[i], grp->gr_name) == 0)
continue;	continue;
Line 1193 sudo_ldap_build_pass1(struct passwd *pw)	Line 1313 sudo_ldap_build_pass1(struct passwd *pw)

/* Done with groups. */	/* Done with groups. */
if (grlist != NULL)	if (grlist != NULL)
grlist_delref(grlist);	sudo_grlist_delref(grlist);
if (grp != NULL)	if (grp != NULL)
gr_delref(grp);	sudo_gr_delref(grp);

/* Add ALL to list and end the global OR */	/* Add ALL to list and end the global OR */
if (strlcat(buf, "(sudoUser=ALL)", sz) >= sz)	if (strlcat(buf, "(sudoUser=ALL)", sz) >= sz)
errorx(1, _("sudo_ldap_build_pass1 allocation mismatch"));	fatalx(U_("sudo_ldap_build_pass1 allocation mismatch"));

/* Add the time restriction, or simply end the global OR. */	/* Add the time restriction, or simply end the global OR. */
if (ldap_conf.timed) {	if (ldap_conf.timed) {
Line 1215 sudo_ldap_build_pass1(struct passwd *pw)	Line 1335 sudo_ldap_build_pass1(struct passwd *pw)
}	}

/*	/*
* Builds up a filter to check against netgroup entries in LDAP.	* Builds up a filter to check against non-Unix group
	* entries in LDAP, including netgroups.
*/	*/
static char *	static char *
sudo_ldap_build_pass2(void)	sudo_ldap_build_pass2(void)
{	{
char *filt, timebuffer[TIMEFILTER_LENGTH];	char *filt, timebuffer[TIMEFILTER_LENGTH + 1];
debug_decl(sudo_ldap_build_pass2, SUDO_DEBUG_LDAP)	debug_decl(sudo_ldap_build_pass2, SUDO_DEBUG_LDAP)

	/* Short circuit if no non-Unix group support. */
	if (!def_use_netgroups && !def_group_plugin) {
	debug_return_str(NULL);
	}

if (ldap_conf.timed)	if (ldap_conf.timed)
sudo_ldap_timefilter(timebuffer, sizeof(timebuffer));	sudo_ldap_timefilter(timebuffer, sizeof(timebuffer));

/*	/*
* Match all sudoUsers beginning with a '+'.	* Match all sudoUsers beginning with '+' or '%:'.
* If a search filter or time restriction is specified,	* If a search filter or time restriction is specified,
* those get ANDed in to the expression.	* those get ANDed in to the expression.
*/	*/
easprintf(&filt, "%s%s(sudoUser=+*)%s%s",	if (def_group_plugin) {
(ldap_conf.timed \|\| ldap_conf.search_filter) ? "(&" : "",	easprintf(&filt, "%s%s(\|(sudoUser=%s)(sudoUser=%%:))%s%s",
ldap_conf.search_filter ? ldap_conf.search_filter : "",	(ldap_conf.timed \|\| ldap_conf.search_filter) ? "(&" : "",
ldap_conf.timed ? timebuffer : "",	ldap_conf.search_filter ? ldap_conf.search_filter : "",
(ldap_conf.timed \|\| ldap_conf.search_filter) ? ")" : "");	def_use_netgroups ? "+" : "",
	ldap_conf.timed ? timebuffer : "",
	(ldap_conf.timed \|\| ldap_conf.search_filter) ? ")" : "");
	} else {
	easprintf(&filt, "%s%s(sudoUser=)(sudoUser=+)%s%s",
	(ldap_conf.timed \|\| ldap_conf.search_filter) ? "(&" : "",
	ldap_conf.search_filter ? ldap_conf.search_filter : "",
	ldap_conf.timed ? timebuffer : "",
	(ldap_conf.timed \|\| ldap_conf.search_filter) ? ")" : "");
	}

debug_return_str(filt);	debug_return_str(filt);
}	}
Line 1247 sudo_ldap_read_secret(const char *path)	Line 1382 sudo_ldap_read_secret(const char *path)
char buf[LINE_MAX], *cp;	char buf[LINE_MAX], *cp;
debug_decl(sudo_ldap_read_secret, SUDO_DEBUG_LDAP)	debug_decl(sudo_ldap_read_secret, SUDO_DEBUG_LDAP)

if ((fp = fopen(_PATH_LDAP_SECRET, "r")) != NULL) {	if ((fp = fopen(path_ldap_secret, "r")) != NULL) {
if (fgets(buf, sizeof(buf), fp) != NULL) {	if (fgets(buf, sizeof(buf), fp) != NULL) {
if ((cp = strchr(buf, '\n')) != NULL)	if ((cp = strchr(buf, '\n')) != NULL)
*cp = '\0';	*cp = '\0';
Line 1272 sudo_ldap_parse_keyword(const char *keyword, const cha	Line 1407 sudo_ldap_parse_keyword(const char *keyword, const cha
struct ldap_config_table *table)	struct ldap_config_table *table)
{	{
struct ldap_config_table *cur;	struct ldap_config_table *cur;
	const char *errstr;
debug_decl(sudo_ldap_parse_keyword, SUDO_DEBUG_LDAP)	debug_decl(sudo_ldap_parse_keyword, SUDO_DEBUG_LDAP)

/* Look up keyword in config tables */	/* Look up keyword in config tables */
Line 1292 sudo_ldap_parse_keyword(const char *keyword, const cha	Line 1428 sudo_ldap_parse_keyword(const char *keyword, const cha
(int )(cur->valp) = atobool(value) == true;	(int )(cur->valp) = atobool(value) == true;
break;	break;
case CONF_INT:	case CONF_INT:
(int )(cur->valp) = atoi(value);	(int )(cur->valp) = strtonum(value, INT_MIN, INT_MAX, &errstr);
	if (errstr != NULL) {
	warningx(U_("%s: %s: %s: %s"),
	path_ldap_conf, keyword, value, U_(errstr));
	}
break;	break;
case CONF_STR:	case CONF_STR:
efree((char *)(cur->valp));	efree((char *)(cur->valp));
(char *)(cur->valp) = estrdup(value);	(char )(cur->valp) = value ? estrdup(value) : NULL;
break;	break;
case CONF_LIST_STR:	case CONF_LIST_STR:
{	{
struct ldap_config_list_str **p;	struct ldap_config_str_list *head;
	struct ldap_config_str *str;
size_t len = strlen(value);	size_t len = strlen(value);

if (len > 0) {	if (len > 0) {
p = (struct ldap_config_list_str **)cur->valp;	head = (struct ldap_config_str_list *)cur->valp;
while (*p != NULL)	str = emalloc(sizeof(*str) + len);
p = &(*p)->next;	memcpy(str->val, value, len + 1);
*p = emalloc(sizeof(struct ldap_config_list_str) + len);	STAILQ_INSERT_TAIL(head, str, entries);
memcpy((*p)->val, value, len + 1);
(*p)->next = NULL;
}	}
}	}
break;	break;
Line 1320 sudo_ldap_parse_keyword(const char *keyword, const cha	Line 1459 sudo_ldap_parse_keyword(const char *keyword, const cha
debug_return_bool(false);	debug_return_bool(false);
}	}

	#ifdef HAVE_LDAP_SASL_INTERACTIVE_BIND_S
	static const char *
	sudo_krb5_ccname_path(const char *old_ccname)
	{
	const char *ccname = old_ccname;
	debug_decl(sudo_krb5_ccname_path, SUDO_DEBUG_LDAP)

	/* Strip off leading FILE: or WRFILE: prefix. */
	switch (ccname[0]) {
	case 'F':
	case 'f':
	if (strncasecmp(ccname, "FILE:", 5) == 0)
	ccname += 5;
	break;
	case 'W':
	case 'w':
	if (strncasecmp(ccname, "WRFILE:", 7) == 0)
	ccname += 7;
	break;
	}
	sudo_debug_printf(SUDO_DEBUG_INFO\|SUDO_DEBUG_LINENO,
	"ccache %s -> %s", old_ccname, ccname);

	/* Credential cache must be a fully-qualified path name. */
	debug_return_const_str(*ccname == '/' ? ccname : NULL);
	}

static bool	static bool
	sudo_check_krb5_ccname(const char *ccname)
	{
	int fd = -1;
	const char *ccname_path;
	debug_decl(sudo_check_krb5_ccname, SUDO_DEBUG_LDAP)

	/* Strip off prefix to get path name. */
	ccname_path = sudo_krb5_ccname_path(ccname);
	if (ccname_path == NULL) {
	sudo_debug_printf(SUDO_DEBUG_WARN\|SUDO_DEBUG_LINENO,
	"unsupported krb5 credential cache path: %s", ccname);
	debug_return_bool(false);
	}
	/* Make sure credential cache is fully-qualified and exists. */
	fd = open(ccname_path, O_RDONLY\|O_NONBLOCK, 0);
	if (fd == -1) {
	sudo_debug_printf(SUDO_DEBUG_WARN\|SUDO_DEBUG_LINENO,
	"unable to open krb5 credential cache: %s", ccname_path);
	debug_return_bool(false);
	}
	close(fd);
	sudo_debug_printf(SUDO_DEBUG_INFO,
	"using krb5 credential cache: %s", ccname_path);
	debug_return_bool(true);
	}
	#endif /* HAVE_LDAP_SASL_INTERACTIVE_BIND_S */

	static bool
sudo_ldap_read_config(void)	sudo_ldap_read_config(void)
{	{
FILE *fp;	FILE *fp;
char cp, keyword, *value;	char cp, keyword, value, line = NULL;
	size_t linesize = 0;
debug_decl(sudo_ldap_read_config, SUDO_DEBUG_LDAP)	debug_decl(sudo_ldap_read_config, SUDO_DEBUG_LDAP)

/* defaults */	/* defaults */
Line 1337 sudo_ldap_read_config(void)	Line 1532 sudo_ldap_read_config(void)
ldap_conf.use_sasl = -1;	ldap_conf.use_sasl = -1;
ldap_conf.rootuse_sasl = -1;	ldap_conf.rootuse_sasl = -1;
ldap_conf.deref = -1;	ldap_conf.deref = -1;
	ldap_conf.search_filter = estrdup(DEFAULT_SEARCH_FILTER);
	STAILQ_INIT(&ldap_conf.uri);
	STAILQ_INIT(&ldap_conf.base);

if ((fp = fopen(_PATH_LDAP_CONF, "r")) == NULL)	if ((fp = fopen(path_ldap_conf, "r")) == NULL)
debug_return_bool(false);	debug_return_bool(false);

while ((cp = sudo_parseln(fp)) != NULL) {	while (sudo_parseln(&line, &linesize, NULL, fp) != -1) {
if (*cp == '\0')	if (*line == '\0')
continue; /* skip empty line */	continue; /* skip empty line */

/* split into keyword and value */	/* split into keyword and value */
keyword = cp;	keyword = cp = line;
while (cp && !isblank((unsigned char) cp))	while (cp && !isblank((unsigned char) cp))
cp++;	cp++;
if (*cp)	if (*cp)
Line 1361 sudo_ldap_read_config(void)	Line 1559 sudo_ldap_read_config(void)
if (!sudo_ldap_parse_keyword(keyword, value, ldap_conf_global))	if (!sudo_ldap_parse_keyword(keyword, value, ldap_conf_global))
sudo_ldap_parse_keyword(keyword, value, ldap_conf_conn);	sudo_ldap_parse_keyword(keyword, value, ldap_conf_conn);
}	}
	free(line);
fclose(fp);	fclose(fp);

if (!ldap_conf.host)	if (!ldap_conf.host)
ldap_conf.host = estrdup("localhost");	ldap_conf.host = estrdup("localhost");

if (ldap_conf.debug > 1) {	DPRINTF1("LDAP Config Summary");
sudo_printf(SUDO_CONV_ERROR_MSG, "LDAP Config Summary\n");	DPRINTF1("===================");
sudo_printf(SUDO_CONV_ERROR_MSG, "===================\n");	if (!STAILQ_EMPTY(&ldap_conf.uri)) {
if (ldap_conf.uri) {	struct ldap_config_str *uri;
struct ldap_config_list_str *uri = ldap_conf.uri;

do {	STAILQ_FOREACH(uri, &ldap_conf.uri, entries) {
sudo_printf(SUDO_CONV_ERROR_MSG, "uri %s\n",	DPRINTF1("uri %s", uri->val);
uri->val);
} while ((uri = uri->next) != NULL);
} else {
sudo_printf(SUDO_CONV_ERROR_MSG, "host %s\n",
ldap_conf.host ? ldap_conf.host : "(NONE)");
sudo_printf(SUDO_CONV_ERROR_MSG, "port %d\n",
ldap_conf.port);
}	}
sudo_printf(SUDO_CONV_ERROR_MSG, "ldap_version %d\n",	} else {
ldap_conf.version);	DPRINTF1("host %s",
	ldap_conf.host ? ldap_conf.host : "(NONE)");
	DPRINTF1("port %d", ldap_conf.port);
	}
	DPRINTF1("ldap_version %d", ldap_conf.version);

if (ldap_conf.base) {	if (!STAILQ_EMPTY(&ldap_conf.base)) {
struct ldap_config_list_str *base = ldap_conf.base;	struct ldap_config_str *base;
do {	STAILQ_FOREACH(base, &ldap_conf.base, entries) {
sudo_printf(SUDO_CONV_ERROR_MSG, "sudoers_base %s\n",	DPRINTF1("sudoers_base %s", base->val);
base->val);
} while ((base = base->next) != NULL);
} else {
sudo_printf(SUDO_CONV_ERROR_MSG, "sudoers_base %s\n",
"(NONE: LDAP disabled)");
}	}
if (ldap_conf.search_filter) {	} else {
sudo_printf(SUDO_CONV_ERROR_MSG, "search_filter %s\n",	DPRINTF1("sudoers_base %s", "(NONE: LDAP disabled)");
ldap_conf.search_filter);	}
}	if (ldap_conf.search_filter) {
sudo_printf(SUDO_CONV_ERROR_MSG, "binddn %s\n",	DPRINTF1("search_filter %s", ldap_conf.search_filter);
ldap_conf.binddn ? ldap_conf.binddn : "(anonymous)");	}
sudo_printf(SUDO_CONV_ERROR_MSG, "bindpw %s\n",	DPRINTF1("binddn %s",
ldap_conf.bindpw ? ldap_conf.bindpw : "(anonymous)");	ldap_conf.binddn ? ldap_conf.binddn : "(anonymous)");
if (ldap_conf.bind_timelimit > 0) {	DPRINTF1("bindpw %s",
sudo_printf(SUDO_CONV_ERROR_MSG, "bind_timelimit %d\n",	ldap_conf.bindpw ? ldap_conf.bindpw : "(anonymous)");
ldap_conf.bind_timelimit);	if (ldap_conf.bind_timelimit > 0) {
}	DPRINTF1("bind_timelimit %d", ldap_conf.bind_timelimit);
if (ldap_conf.timelimit > 0) {	}
sudo_printf(SUDO_CONV_ERROR_MSG, "timelimit %d\n",	if (ldap_conf.timelimit > 0) {
ldap_conf.timelimit);	DPRINTF1("timelimit %d", ldap_conf.timelimit);
}	}
if (ldap_conf.deref != -1) {	if (ldap_conf.deref != -1) {
sudo_printf(SUDO_CONV_ERROR_MSG, "deref %d\n",	DPRINTF1("deref %d", ldap_conf.deref);
ldap_conf.deref);	}
}	DPRINTF1("ssl %s", ldap_conf.ssl ? ldap_conf.ssl : "(no)");
sudo_printf(SUDO_CONV_ERROR_MSG, "ssl %s\n",	if (ldap_conf.tls_checkpeer != -1) {
ldap_conf.ssl ? ldap_conf.ssl : "(no)");	DPRINTF1("tls_checkpeer %s",
if (ldap_conf.tls_checkpeer != -1) {	ldap_conf.tls_checkpeer ? "(yes)" : "(no)");
sudo_printf(SUDO_CONV_ERROR_MSG, "tls_checkpeer %s\n",	}
ldap_conf.tls_checkpeer ? "(yes)" : "(no)");	if (ldap_conf.tls_cacertfile != NULL) {
}	DPRINTF1("tls_cacertfile %s", ldap_conf.tls_cacertfile);
if (ldap_conf.tls_cacertfile != NULL) {	}
sudo_printf(SUDO_CONV_ERROR_MSG, "tls_cacertfile %s\n",	if (ldap_conf.tls_cacertdir != NULL) {
ldap_conf.tls_cacertfile);	DPRINTF1("tls_cacertdir %s", ldap_conf.tls_cacertdir);
}	}
if (ldap_conf.tls_cacertdir != NULL) {	if (ldap_conf.tls_random_file != NULL) {
sudo_printf(SUDO_CONV_ERROR_MSG, "tls_cacertdir %s\n",	DPRINTF1("tls_random_file %s", ldap_conf.tls_random_file);
ldap_conf.tls_cacertdir);	}
}	if (ldap_conf.tls_cipher_suite != NULL) {
if (ldap_conf.tls_random_file != NULL) {	DPRINTF1("tls_cipher_suite %s", ldap_conf.tls_cipher_suite);
sudo_printf(SUDO_CONV_ERROR_MSG, "tls_random_file %s\n",	}
ldap_conf.tls_random_file);	if (ldap_conf.tls_certfile != NULL) {
}	DPRINTF1("tls_certfile %s", ldap_conf.tls_certfile);
if (ldap_conf.tls_cipher_suite != NULL) {	}
sudo_printf(SUDO_CONV_ERROR_MSG, "tls_cipher_suite %s\n",	if (ldap_conf.tls_keyfile != NULL) {
ldap_conf.tls_cipher_suite);	DPRINTF1("tls_keyfile %s", ldap_conf.tls_keyfile);
}	}
if (ldap_conf.tls_certfile != NULL) {
sudo_printf(SUDO_CONV_ERROR_MSG, "tls_certfile %s\n",
ldap_conf.tls_certfile);
}
if (ldap_conf.tls_keyfile != NULL) {
sudo_printf(SUDO_CONV_ERROR_MSG, "tls_keyfile %s\n",
ldap_conf.tls_keyfile);
}
#ifdef HAVE_LDAP_SASL_INTERACTIVE_BIND_S	#ifdef HAVE_LDAP_SASL_INTERACTIVE_BIND_S
if (ldap_conf.use_sasl != -1) {	if (ldap_conf.use_sasl != -1) {
sudo_printf(SUDO_CONV_ERROR_MSG, "use_sasl %s\n",	DPRINTF1("use_sasl %s", ldap_conf.use_sasl ? "yes" : "no");
ldap_conf.use_sasl ? "yes" : "no");	DPRINTF1("sasl_auth_id %s",
sudo_printf(SUDO_CONV_ERROR_MSG, "sasl_auth_id %s\n",	ldap_conf.sasl_auth_id ? ldap_conf.sasl_auth_id : "(NONE)");
ldap_conf.sasl_auth_id ? ldap_conf.sasl_auth_id : "(NONE)");	DPRINTF1("rootuse_sasl %d",
sudo_printf(SUDO_CONV_ERROR_MSG, "rootuse_sasl %d\n",	ldap_conf.rootuse_sasl);
ldap_conf.rootuse_sasl);	DPRINTF1("rootsasl_auth_id %s",
sudo_printf(SUDO_CONV_ERROR_MSG, "rootsasl_auth_id %s\n",	ldap_conf.rootsasl_auth_id ? ldap_conf.rootsasl_auth_id : "(NONE)");
ldap_conf.rootsasl_auth_id ? ldap_conf.rootsasl_auth_id : "(NONE)");	DPRINTF1("sasl_secprops %s",
sudo_printf(SUDO_CONV_ERROR_MSG, "sasl_secprops %s\n",	ldap_conf.sasl_secprops ? ldap_conf.sasl_secprops : "(NONE)");
ldap_conf.sasl_secprops ? ldap_conf.sasl_secprops : "(NONE)");	DPRINTF1("krb5_ccname %s",
sudo_printf(SUDO_CONV_ERROR_MSG, "krb5_ccname %s\n",	ldap_conf.krb5_ccname ? ldap_conf.krb5_ccname : "(NONE)");
ldap_conf.krb5_ccname ? ldap_conf.krb5_ccname : "(NONE)");
}
#endif
sudo_printf(SUDO_CONV_ERROR_MSG, "===================\n");
}	}
if (!ldap_conf.base)	#endif
	DPRINTF1("===================");

	if (STAILQ_EMPTY(&ldap_conf.base))
debug_return_bool(false); /* if no base is defined, ignore LDAP */	debug_return_bool(false); /* if no base is defined, ignore LDAP */

if (ldap_conf.bind_timelimit > 0)	if (ldap_conf.bind_timelimit > 0)
Line 1488 sudo_ldap_read_config(void)	Line 1669 sudo_ldap_read_config(void)

#ifndef HAVE_LDAP_INITIALIZE	#ifndef HAVE_LDAP_INITIALIZE
/* Convert uri list to host list if no ldap_initialize(). */	/* Convert uri list to host list if no ldap_initialize(). */
if (ldap_conf.uri) {	if (!STAILQ_EMPTY(&ldap_conf.uri)) {
struct ldap_config_list_str *uri = ldap_conf.uri;	struct ldap_config_str *uri;
if (sudo_ldap_parse_uri(uri) != 0)
	if (sudo_ldap_parse_uri(&ldap_conf.uri) != LDAP_SUCCESS)
debug_return_bool(false);	debug_return_bool(false);
do {	while ((uri = STAILQ_FIRST(&ldap_conf.uri)) != NULL) {
ldap_conf.uri = uri->next;	STAILQ_REMOVE_HEAD(&ldap_conf.uri, entries);
efree(uri);	efree(uri);
} while ((uri = ldap_conf.uri));	}
ldap_conf.port = LDAP_PORT;	ldap_conf.port = LDAP_PORT;
}	}
#endif	#endif

if (!ldap_conf.uri) {	if (STAILQ_EMPTY(&ldap_conf.uri)) {
/* Use port 389 for plaintext LDAP and port 636 for SSL LDAP */	/* Use port 389 for plaintext LDAP and port 636 for SSL LDAP */
if (ldap_conf.port < 0)	if (ldap_conf.port < 0)
ldap_conf.port =	ldap_conf.port =
Line 1530 sudo_ldap_read_config(void)	Line 1712 sudo_ldap_read_config(void)

/* If rootbinddn set, read in /etc/ldap.secret if it exists. */	/* If rootbinddn set, read in /etc/ldap.secret if it exists. */
if (ldap_conf.rootbinddn)	if (ldap_conf.rootbinddn)
sudo_ldap_read_secret(_PATH_LDAP_SECRET);	sudo_ldap_read_secret(path_ldap_secret);

#ifdef HAVE_LDAP_SASL_INTERACTIVE_BIND_S	#ifdef HAVE_LDAP_SASL_INTERACTIVE_BIND_S
/*	/*
* Make sure we can open the file specified by krb5_ccname.	* Make sure we can open the file specified by krb5_ccname.
*/	*/
if (ldap_conf.krb5_ccname != NULL) {	if (ldap_conf.krb5_ccname != NULL) {
if (strncasecmp(ldap_conf.krb5_ccname, "FILE:", 5) == 0 \|\|	if (!sudo_check_krb5_ccname(ldap_conf.krb5_ccname))
strncasecmp(ldap_conf.krb5_ccname, "WRFILE:", 7) == 0) {	ldap_conf.krb5_ccname = NULL;
value = ldap_conf.krb5_ccname +
(ldap_conf.krb5_ccname[4] == ':' ? 5 : 7);
if ((fp = fopen(value, "r")) != NULL) {
DPRINTF(("using krb5 credential cache: %s", value), 1);
fclose(fp);
} else {
/* Can't open it, just ignore the entry. */
DPRINTF(("unable to open krb5 credential cache: %s", value), 1);
efree(ldap_conf.krb5_ccname);
ldap_conf.krb5_ccname = NULL;
}
}
}	}
#endif	#endif

debug_return_bool(true);	debug_return_bool(true);
}	}

Line 1596 sudo_ldap_display_defaults(struct sudo_nss *nss, struc	Line 1767 sudo_ldap_display_defaults(struct sudo_nss *nss, struc
{	{
struct berval bv, p;	struct berval bv, p;
struct timeval tv, *tvp = NULL;	struct timeval tv, *tvp = NULL;
struct ldap_config_list_str *base;	struct ldap_config_str *base;
struct sudo_ldap_handle *handle = nss->handle;	struct sudo_ldap_handle *handle = nss->handle;
LDAP *ld;	LDAP *ld;
LDAPMessage entry, result;	LDAPMessage entry, result;
Line 1609 sudo_ldap_display_defaults(struct sudo_nss *nss, struc	Line 1780 sudo_ldap_display_defaults(struct sudo_nss *nss, struc
ld = handle->ld;	ld = handle->ld;

filt = sudo_ldap_build_default_filter();	filt = sudo_ldap_build_default_filter();
for (base = ldap_conf.base; base != NULL; base = base->next) {	STAILQ_FOREACH(base, &ldap_conf.base, entries) {
if (ldap_conf.timeout > 0) {	if (ldap_conf.timeout > 0) {
tv.tv_sec = ldap_conf.timeout;	tv.tv_sec = ldap_conf.timeout;
tv.tv_usec = 0;	tv.tv_usec = 0;
Line 1821 sudo_ldap_display_privs(struct sudo_nss *nss, struct p	Line 1992 sudo_ldap_display_privs(struct sudo_nss *nss, struct p
goto done;	goto done;
ld = handle->ld;	ld = handle->ld;

DPRINTF(("ldap search for command list"), 1);	DPRINTF1("ldap search for command list");
lres = sudo_ldap_result_get(nss, pw);	lres = sudo_ldap_result_get(nss, pw);

/* Display all matching entries. */	/* Display all matching entries. */
Line 1856 sudo_ldap_display_cmnd(struct sudo_nss *nss, struct pa	Line 2027 sudo_ldap_display_cmnd(struct sudo_nss *nss, struct pa
* The sudo_ldap_result_get() function returns all nodes that match	* The sudo_ldap_result_get() function returns all nodes that match
* the user and the host.	* the user and the host.
*/	*/
DPRINTF(("ldap search for command list"), 1);	DPRINTF1("ldap search for command list");
lres = sudo_ldap_result_get(nss, pw);	lres = sudo_ldap_result_get(nss, pw);
for (i = 0; i < lres->nentries; i++) {	for (i = 0; i < lres->nentries; i++) {
entry = lres->entries[i].entry;	entry = lres->entries[i].entry;
Line 1875 done:	Line 2046 done:
}	}

#ifdef HAVE_LDAP_SASL_INTERACTIVE_BIND_S	#ifdef HAVE_LDAP_SASL_INTERACTIVE_BIND_S
	static unsigned int (sudo_gss_krb5_ccache_name)(unsigned int minor_status, const char name, const char *old_name);

static int	static int
	sudo_set_krb5_ccache_name(const char name, const char *old_name)
	{
	int rc = 0;
	unsigned int junk;
	static bool initialized;
	debug_decl(sudo_set_krb5_ccache_name, SUDO_DEBUG_LDAP)

	if (!initialized) {
	sudo_gss_krb5_ccache_name =
	sudo_dso_findsym(SUDO_DSO_DEFAULT, "gss_krb5_ccache_name");
	initialized = true;
	}

	/*
	* Try to use gss_krb5_ccache_name() if possible.
	* We also need to set KRB5CCNAME since some LDAP libs may not use
	* gss_krb5_ccache_name().
	*/
	if (sudo_gss_krb5_ccache_name != NULL) {
	rc = sudo_gss_krb5_ccache_name(&junk, name, old_name);
	} else {
	/* No gss_krb5_ccache_name(), fall back on KRB5CCNAME. */
	if (old_name != NULL)
	*old_name = sudo_getenv("KRB5CCNAME");
	}
	if (name != NULL && *name != '\0')
	sudo_setenv("KRB5CCNAME", name, true);
	else
	sudo_unsetenv("KRB5CCNAME");

	debug_return_int(rc);
	}

	/*
	* Make a copy of the credential cache file specified by KRB5CCNAME
	* which must be readable by the user. The resulting cache file
	* is root-owned and will be removed after authenticating via SASL.
	*/
	static char *
	sudo_krb5_copy_cc_file(const char *old_ccname)
	{
	int ofd, nfd;
	ssize_t nread, nwritten = -1;
	static char new_ccname[sizeof(_PATH_TMP) + sizeof("sudocc_XXXXXXXX") - 1];
	char buf[10240], *ret = NULL;
	debug_decl(sudo_krb5_copy_cc_file, SUDO_DEBUG_LDAP)

	old_ccname = sudo_krb5_ccname_path(old_ccname);
	if (old_ccname != NULL) {
	/* Open credential cache as user to prevent stolen creds. */
	set_perms(PERM_USER);
	ofd = open(old_ccname, O_RDONLY\|O_NONBLOCK);
	restore_perms();

	if (ofd != -1) {
	(void) fcntl(ofd, F_SETFL, 0);
	if (lock_file(ofd, SUDO_LOCK)) {
	snprintf(new_ccname, sizeof(new_ccname), "%s%s",
	_PATH_TMP, "sudocc_XXXXXXXX");
	nfd = mkstemp(new_ccname);
	if (nfd != -1) {
	sudo_debug_printf(SUDO_DEBUG_INFO\|SUDO_DEBUG_LINENO,
	"copy ccache %s -> %s", old_ccname, new_ccname);
	while ((nread = read(ofd, buf, sizeof(buf))) > 0) {
	ssize_t off = 0;
	do {
	nwritten = write(nfd, buf + off, nread - off);
	if (nwritten == -1) {
	warning("error writing to %s", new_ccname);
	goto write_error;
	}
	off += nwritten;
	} while (off < nread);
	}
	if (nread == -1)
	warning("unable to read %s", new_ccname);
	write_error:
	close(nfd);
	if (nread != -1 && nwritten != -1) {
	ret = new_ccname; /* success! */
	} else {
	unlink(new_ccname); /* failed */
	}
	} else {
	warning("unable to create temp file %s", new_ccname);
	}
	}
	close(ofd);
	} else {
	sudo_debug_printf(SUDO_DEBUG_WARN\|SUDO_DEBUG_LINENO\|SUDO_DEBUG_ERRNO,
	"unable to open %s", old_ccname);
	}
	}
	debug_return_str(ret);
	}

	static int
sudo_ldap_sasl_interact(LDAP ld, unsigned int flags, void _auth_id,	sudo_ldap_sasl_interact(LDAP ld, unsigned int flags, void _auth_id,
void *_interact)	void *_interact)
{	{
char auth_id = (char )_auth_id;	char auth_id = (char )_auth_id;
sasl_interact_t interact = (sasl_interact_t )_interact;	sasl_interact_t interact = (sasl_interact_t )_interact;
	int rc = LDAP_SUCCESS;
debug_decl(sudo_ldap_sasl_interact, SUDO_DEBUG_LDAP)	debug_decl(sudo_ldap_sasl_interact, SUDO_DEBUG_LDAP)

for (; interact->id != SASL_CB_LIST_END; interact++) {	for (; interact->id != SASL_CB_LIST_END; interact++) {
if (interact->id != SASL_CB_USER)	if (interact->id != SASL_CB_USER) {
debug_return_int(LDAP_PARAM_ERROR);	warningx("sudo_ldap_sasl_interact: unexpected interact id %lu",
	interact->id);
	rc = LDAP_PARAM_ERROR;
	break;
	}

if (auth_id != NULL)	if (auth_id != NULL)
interact->result = auth_id;	interact->result = auth_id;
Line 1896 sudo_ldap_sasl_interact(LDAP *ld, unsigned int flags,	Line 2171 sudo_ldap_sasl_interact(LDAP *ld, unsigned int flags,

interact->len = strlen(interact->result);	interact->len = strlen(interact->result);
#if SASL_VERSION_MAJOR < 2	#if SASL_VERSION_MAJOR < 2
interact->result = estrdup(interact->result);	interact->result = strdup(interact->result);
	if (interact->result == NULL) {
	rc = LDAP_NO_MEMORY;
	break;
	}
#endif /* SASL_VERSION_MAJOR < 2 */	#endif /* SASL_VERSION_MAJOR < 2 */
	DPRINTF2("sudo_ldap_sasl_interact: SASL_CB_USER %s",
	(const char *)interact->result);
}	}
debug_return_int(LDAP_SUCCESS);	debug_return_int(rc);
}	}
#endif /* HAVE_LDAP_SASL_INTERACTIVE_BIND_S */	#endif /* HAVE_LDAP_SASL_INTERACTIVE_BIND_S */


/*	/*
* Set LDAP options from the specified options table	* Set LDAP options from the specified options table
	* Returns LDAP_SUCCESS on success, else non-zero.
*/	*/
static int	static int
sudo_ldap_set_options_table(LDAP ld, struct ldap_config_table table)	sudo_ldap_set_options_table(LDAP ld, struct ldap_config_table table)
{	{
struct ldap_config_table *cur;	struct ldap_config_table *cur;
int ival, rc;	int ival, rc, errors = 0;
char *sval;	char *sval;
debug_decl(sudo_ldap_set_options_table, SUDO_DEBUG_LDAP)	debug_decl(sudo_ldap_set_options_table, SUDO_DEBUG_LDAP)

Line 1924 sudo_ldap_set_options_table(LDAP *ld, struct ldap_conf	Line 2205 sudo_ldap_set_options_table(LDAP *ld, struct ldap_conf
case CONF_INT:	case CONF_INT:
ival = (int )(cur->valp);	ival = (int )(cur->valp);
if (ival >= 0) {	if (ival >= 0) {
	DPRINTF1("ldap_set_option: %s -> %d", cur->conf_str, ival);
rc = ldap_set_option(ld, cur->opt_val, &ival);	rc = ldap_set_option(ld, cur->opt_val, &ival);
if (rc != LDAP_OPT_SUCCESS) {	if (rc != LDAP_OPT_SUCCESS) {
warningx("ldap_set_option: %s -> %d: %s",	warningx("ldap_set_option: %s -> %d: %s",
cur->conf_str, ival, ldap_err2string(rc));	cur->conf_str, ival, ldap_err2string(rc));
debug_return_int(-1);	errors++;
}	}
DPRINTF(("ldap_set_option: %s -> %d", cur->conf_str, ival), 1);
}	}
break;	break;
case CONF_STR:	case CONF_STR:
sval = (char *)(cur->valp);	sval = (char *)(cur->valp);
if (sval != NULL) {	if (sval != NULL) {
	DPRINTF1("ldap_set_option: %s -> %s", cur->conf_str, sval);
rc = ldap_set_option(ld, cur->opt_val, sval);	rc = ldap_set_option(ld, cur->opt_val, sval);
if (rc != LDAP_OPT_SUCCESS) {	if (rc != LDAP_OPT_SUCCESS) {
warningx("ldap_set_option: %s -> %s: %s",	warningx("ldap_set_option: %s -> %s: %s",
cur->conf_str, sval, ldap_err2string(rc));	cur->conf_str, sval, ldap_err2string(rc));
debug_return_int(-1);	errors++;
}	}
DPRINTF(("ldap_set_option: %s -> %s", cur->conf_str, sval), 1);
}	}
break;	break;
}	}
}	}
debug_return_int(0);	debug_return_int(errors ? -1 : LDAP_SUCCESS);
}	}

/*	/*
* Set LDAP options based on the global config table.	* Set LDAP options based on the global config table.
	* Returns LDAP_SUCCESS on success, else non-zero.
*/	*/
static int	static int
sudo_ldap_set_options_global(void)	sudo_ldap_set_options_global(void)
Line 1967 sudo_ldap_set_options_global(void)	Line 2249 sudo_ldap_set_options_global(void)

/* Parse global LDAP options table. */	/* Parse global LDAP options table. */
rc = sudo_ldap_set_options_table(NULL, ldap_conf_global);	rc = sudo_ldap_set_options_table(NULL, ldap_conf_global);
if (rc == -1)	debug_return_int(rc);
debug_return_int(-1);
debug_return_int(0);
}	}

/*	/*
* Set LDAP options based on the per-connection config table.	* Set LDAP options based on the per-connection config table.
	* Returns LDAP_SUCCESS on success, else non-zero.
*/	*/
static int	static int
sudo_ldap_set_options_conn(LDAP *ld)	sudo_ldap_set_options_conn(LDAP *ld)
Line 1992 sudo_ldap_set_options_conn(LDAP *ld)	Line 2273 sudo_ldap_set_options_conn(LDAP *ld)
struct timeval tv;	struct timeval tv;
tv.tv_sec = ldap_conf.timeout;	tv.tv_sec = ldap_conf.timeout;
tv.tv_usec = 0;	tv.tv_usec = 0;
	DPRINTF1("ldap_set_option(LDAP_OPT_TIMEOUT, %d)", ldap_conf.timeout);
rc = ldap_set_option(ld, LDAP_OPT_TIMEOUT, &tv);	rc = ldap_set_option(ld, LDAP_OPT_TIMEOUT, &tv);
if (rc != LDAP_OPT_SUCCESS) {	if (rc != LDAP_OPT_SUCCESS) {
warningx("ldap_set_option(TIMEOUT, %ld): %s",	warningx("ldap_set_option(TIMEOUT, %d): %s",
(long)tv.tv_sec, ldap_err2string(rc));	ldap_conf.timeout, ldap_err2string(rc));
debug_return_int(-1);
}	}
DPRINTF(("ldap_set_option(LDAP_OPT_TIMEOUT, %ld)",
(long)tv.tv_sec), 1);
}	}
#endif	#endif
#ifdef LDAP_OPT_NETWORK_TIMEOUT	#ifdef LDAP_OPT_NETWORK_TIMEOUT
Line 2008 sudo_ldap_set_options_conn(LDAP *ld)	Line 2287 sudo_ldap_set_options_conn(LDAP *ld)
struct timeval tv;	struct timeval tv;
tv.tv_sec = ldap_conf.bind_timelimit / 1000;	tv.tv_sec = ldap_conf.bind_timelimit / 1000;
tv.tv_usec = 0;	tv.tv_usec = 0;
	DPRINTF1("ldap_set_option(LDAP_OPT_NETWORK_TIMEOUT, %d)",
	ldap_conf.bind_timelimit / 1000);
rc = ldap_set_option(ld, LDAP_OPT_NETWORK_TIMEOUT, &tv);	rc = ldap_set_option(ld, LDAP_OPT_NETWORK_TIMEOUT, &tv);
	# if !defined(LDAP_OPT_CONNECT_TIMEOUT) \|\| LDAP_VENDOR_VERSION != 510
	/* Tivoli Directory Server 6.3 libs always return a (bogus) error. */
if (rc != LDAP_OPT_SUCCESS) {	if (rc != LDAP_OPT_SUCCESS) {
warningx("ldap_set_option(NETWORK_TIMEOUT, %ld): %s",	warningx("ldap_set_option(NETWORK_TIMEOUT, %d): %s",
(long)tv.tv_sec, ldap_err2string(rc));	ldap_conf.bind_timelimit / 1000, ldap_err2string(rc));
debug_return_int(-1);
}	}
DPRINTF(("ldap_set_option(LDAP_OPT_NETWORK_TIMEOUT, %ld)",	# endif
(long)tv.tv_sec), 1);
}	}
#endif	#endif

#if defined(LDAP_OPT_X_TLS) && !defined(HAVE_LDAPSSL_INIT)	#if defined(LDAP_OPT_X_TLS) && !defined(HAVE_LDAPSSL_INIT)
if (ldap_conf.ssl_mode == SUDO_LDAP_SSL) {	if (ldap_conf.ssl_mode == SUDO_LDAP_SSL) {
int val = LDAP_OPT_X_TLS_HARD;	int val = LDAP_OPT_X_TLS_HARD;
	DPRINTF1("ldap_set_option(LDAP_OPT_X_TLS, LDAP_OPT_X_TLS_HARD)");
rc = ldap_set_option(ld, LDAP_OPT_X_TLS, &val);	rc = ldap_set_option(ld, LDAP_OPT_X_TLS, &val);
if (rc != LDAP_SUCCESS) {	if (rc != LDAP_SUCCESS) {
warningx("ldap_set_option(LDAP_OPT_X_TLS, LDAP_OPT_X_TLS_HARD): %s",	warningx("ldap_set_option(LDAP_OPT_X_TLS, LDAP_OPT_X_TLS_HARD): %s",
ldap_err2string(rc));	ldap_err2string(rc));
debug_return_int(-1);	debug_return_int(-1);
}	}
DPRINTF(("ldap_set_option(LDAP_OPT_X_TLS, LDAP_OPT_X_TLS_HARD)"), 1);
}	}
#endif	#endif
debug_return_int(0);	debug_return_int(LDAP_SUCCESS);
}	}

/*	/*
Line 2043 sudo_ldap_result_alloc(void)	Line 2324 sudo_ldap_result_alloc(void)
struct ldap_result *result;	struct ldap_result *result;
debug_decl(sudo_ldap_result_alloc, SUDO_DEBUG_LDAP)	debug_decl(sudo_ldap_result_alloc, SUDO_DEBUG_LDAP)

debug_return_ptr(ecalloc(1, sizeof(*result)));	result = ecalloc(1, sizeof(*result));
	STAILQ_INIT(&result->searches);

	debug_return_ptr(result);
}	}

/*	/*
Line 2052 sudo_ldap_result_alloc(void)	Line 2336 sudo_ldap_result_alloc(void)
static void	static void
sudo_ldap_result_free(struct ldap_result *lres)	sudo_ldap_result_free(struct ldap_result *lres)
{	{
struct ldap_search_list *s;	struct ldap_search_result *s;
debug_decl(sudo_ldap_result_free, SUDO_DEBUG_LDAP)	debug_decl(sudo_ldap_result_free, SUDO_DEBUG_LDAP)

if (lres != NULL) {	if (lres != NULL) {
Line 2060 sudo_ldap_result_free(struct ldap_result *lres)	Line 2344 sudo_ldap_result_free(struct ldap_result *lres)
efree(lres->entries);	efree(lres->entries);
lres->entries = NULL;	lres->entries = NULL;
}	}
if (lres->searches) {	while ((s = STAILQ_FIRST(&lres->searches)) != NULL) {
while ((s = lres->searches) != NULL) {	STAILQ_REMOVE_HEAD(&lres->searches, entries);
ldap_msgfree(s->searchresult);	ldap_msgfree(s->searchresult);
lres->searches = s->next;	efree(s);
efree(s);
}
}	}
efree(lres);	efree(lres);
}	}
Line 2075 sudo_ldap_result_free(struct ldap_result *lres)	Line 2357 sudo_ldap_result_free(struct ldap_result *lres)
/*	/*
* Add a search result to the ldap_result structure.	* Add a search result to the ldap_result structure.
*/	*/
static struct ldap_search_list *	static struct ldap_search_result *
sudo_ldap_result_add_search(struct ldap_result lres, LDAP ldap,	sudo_ldap_result_add_search(struct ldap_result lres, LDAP ldap,
LDAPMessage *searchresult)	LDAPMessage *searchresult)
{	{
struct ldap_search_list s, news;	struct ldap_search_result *news;
debug_decl(sudo_ldap_result_add_search, SUDO_DEBUG_LDAP)	debug_decl(sudo_ldap_result_add_search, SUDO_DEBUG_LDAP)

news = ecalloc(1, sizeof(struct ldap_search_list));	/* Create new entry and add it to the end of the chain. */
	news = ecalloc(1, sizeof(*news));
news->ldap = ldap;	news->ldap = ldap;
news->searchresult = searchresult;	news->searchresult = searchresult;
/* news->next = NULL; */	STAILQ_INSERT_TAIL(&lres->searches, news, entries);

/* Add entry to the end of the chain (XXX - tailq instead?). */
if (lres->searches) {
for (s = lres->searches; s->next != NULL; s = s->next)
continue;
s->next = news;
} else {
lres->searches = news;
}
debug_return_ptr(news);	debug_return_ptr(news);
}	}

/*	/*
* Connect to the LDAP server specified by ld	* Connect to the LDAP server specified by ld.
	* Returns LDAP_SUCCESS on success, else non-zero.
*/	*/
static int	static int
sudo_ldap_bind_s(LDAP *ld)	sudo_ldap_bind_s(LDAP *ld)
{	{
int rc;	int rc;
#ifdef HAVE_LDAP_SASL_INTERACTIVE_BIND_S
const char *old_ccname = user_ccname;
# ifdef HAVE_GSS_KRB5_CCACHE_NAME
unsigned int status;
# endif
#endif
debug_decl(sudo_ldap_bind_s, SUDO_DEBUG_LDAP)	debug_decl(sudo_ldap_bind_s, SUDO_DEBUG_LDAP)

#ifdef HAVE_LDAP_SASL_INTERACTIVE_BIND_S	#ifdef HAVE_LDAP_SASL_INTERACTIVE_BIND_S
if (ldap_conf.rootuse_sasl == true \|\|	if (ldap_conf.rootuse_sasl == true \|\|
(ldap_conf.rootuse_sasl != false && ldap_conf.use_sasl == true)) {	(ldap_conf.rootuse_sasl != false && ldap_conf.use_sasl == true)) {
	const char *old_ccname = NULL;
	const char *new_ccname = ldap_conf.krb5_ccname;
	const char *tmp_ccname = NULL;
void *auth_id = ldap_conf.rootsasl_auth_id ?	void *auth_id = ldap_conf.rootsasl_auth_id ?
ldap_conf.rootsasl_auth_id : ldap_conf.sasl_auth_id;	ldap_conf.rootsasl_auth_id : ldap_conf.sasl_auth_id;

if (ldap_conf.krb5_ccname != NULL) {	/* Make temp copy of the user's credential cache as needed. */
# ifdef HAVE_GSS_KRB5_CCACHE_NAME	if (ldap_conf.krb5_ccname == NULL && user_ccname != NULL) {
if (gss_krb5_ccache_name(&status, ldap_conf.krb5_ccname, &old_ccname)	new_ccname = tmp_ccname = sudo_krb5_copy_cc_file(user_ccname);
!= GSS_S_COMPLETE) {	if (tmp_ccname == NULL) {
old_ccname = NULL;	sudo_debug_printf(SUDO_DEBUG_INFO\|SUDO_DEBUG_LINENO,
DPRINTF(("gss_krb5_ccache_name() failed: %d", status), 1);	"unable to copy user ccache %s", user_ccname);
}	}
# else
sudo_setenv("KRB5CCNAME", ldap_conf.krb5_ccname, true);
# endif
}	}

	if (new_ccname != NULL) {
	rc = sudo_set_krb5_ccache_name(new_ccname, &old_ccname);
	if (rc == 0) {
	sudo_debug_printf(SUDO_DEBUG_INFO\|SUDO_DEBUG_LINENO,
	"set ccache name %s -> %s",
	old_ccname ? old_ccname : "(none)", new_ccname);
	} else {
	sudo_debug_printf(SUDO_DEBUG_WARN\|SUDO_DEBUG_LINENO,
	"gss_krb5_ccache_name() failed: %d", rc);
	}
	}
rc = ldap_sasl_interactive_bind_s(ld, ldap_conf.binddn, "GSSAPI",	rc = ldap_sasl_interactive_bind_s(ld, ldap_conf.binddn, "GSSAPI",
NULL, NULL, LDAP_SASL_QUIET, sudo_ldap_sasl_interact, auth_id);	NULL, NULL, LDAP_SASL_QUIET, sudo_ldap_sasl_interact, auth_id);
if (ldap_conf.krb5_ccname != NULL) {	if (new_ccname != NULL) {
# ifdef HAVE_GSS_KRB5_CCACHE_NAME	rc = sudo_set_krb5_ccache_name(old_ccname, NULL);
if (gss_krb5_ccache_name(&status, old_ccname, NULL) != GSS_S_COMPLETE)	if (rc == 0) {
DPRINTF(("gss_krb5_ccache_name() failed: %d", status), 1);	sudo_debug_printf(SUDO_DEBUG_INFO\|SUDO_DEBUG_LINENO,
# else	"restore ccache name %s -> %s", new_ccname, old_ccname);
if (old_ccname != NULL)	} else {
sudo_setenv("KRB5CCNAME", old_ccname, true);	sudo_debug_printf(SUDO_DEBUG_WARN\|SUDO_DEBUG_LINENO,
else	"gss_krb5_ccache_name() failed: %d", rc);
sudo_unsetenv("KRB5CCNAME");	}
# endif	/* Remove temporary copy of user's credential cache. */
	if (tmp_ccname != NULL)
	unlink(tmp_ccname);
}	}
if (rc != LDAP_SUCCESS) {	if (rc != LDAP_SUCCESS) {
warningx("ldap_sasl_interactive_bind_s(): %s",	warningx("ldap_sasl_interactive_bind_s(): %s",
ldap_err2string(rc));	ldap_err2string(rc));
debug_return_int(-1);	goto done;
}	}
DPRINTF(("ldap_sasl_interactive_bind_s() ok"), 1);	DPRINTF1("ldap_sasl_interactive_bind_s() ok");
} else	} else
#endif /* HAVE_LDAP_SASL_INTERACTIVE_BIND_S */	#endif /* HAVE_LDAP_SASL_INTERACTIVE_BIND_S */
#ifdef HAVE_LDAP_SASL_BIND_S	#ifdef HAVE_LDAP_SASL_BIND_S
Line 2162 sudo_ldap_bind_s(LDAP *ld)	Line 2446 sudo_ldap_bind_s(LDAP *ld)
NULL, NULL, NULL);	NULL, NULL, NULL);
if (rc != LDAP_SUCCESS) {	if (rc != LDAP_SUCCESS) {
warningx("ldap_sasl_bind_s(): %s", ldap_err2string(rc));	warningx("ldap_sasl_bind_s(): %s", ldap_err2string(rc));
debug_return_int(-1);	goto done;
}	}
DPRINTF(("ldap_sasl_bind_s() ok"), 1);	DPRINTF1("ldap_sasl_bind_s() ok");
}	}
#else	#else
{	{
rc = ldap_simple_bind_s(ld, ldap_conf.binddn, ldap_conf.bindpw);	rc = ldap_simple_bind_s(ld, ldap_conf.binddn, ldap_conf.bindpw);
if (rc != LDAP_SUCCESS) {	if (rc != LDAP_SUCCESS) {
warningx("ldap_simple_bind_s(): %s", ldap_err2string(rc));	warningx("ldap_simple_bind_s(): %s", ldap_err2string(rc));
debug_return_int(-1);	goto done;
}	}
DPRINTF(("ldap_simple_bind_s() ok"), 1);	DPRINTF1("ldap_simple_bind_s() ok");
}	}
#endif	#endif
debug_return_int(0);	done:
	debug_return_int(rc);
}	}

/*	/*
Line 2187 static int	Line 2472 static int
sudo_ldap_open(struct sudo_nss *nss)	sudo_ldap_open(struct sudo_nss *nss)
{	{
LDAP *ld;	LDAP *ld;
int rc;	int rc = -1;
	sigaction_t sa, saved_sa_pipe;
bool ldapnoinit = false;	bool ldapnoinit = false;
struct sudo_ldap_handle *handle;	struct sudo_ldap_handle *handle;
debug_decl(sudo_ldap_open, SUDO_DEBUG_LDAP)	debug_decl(sudo_ldap_open, SUDO_DEBUG_LDAP)

	/* Ignore SIGPIPE if we cannot bind to the server. */
	memset(&sa, 0, sizeof(sa));
	sigemptyset(&sa.sa_mask);
	sa.sa_handler = SIG_IGN;
	(void) sigaction(SIGPIPE, &sa, &saved_sa_pipe);

if (!sudo_ldap_read_config())	if (!sudo_ldap_read_config())
debug_return_int(-1);	goto done;

/* Prevent reading of user ldaprc and system defaults. */	/* Prevent reading of user ldaprc and system defaults. */
if (sudo_getenv("LDAPNOINIT") == NULL) {	if (sudo_getenv("LDAPNOINIT") == NULL) {
Line 2202 sudo_ldap_open(struct sudo_nss *nss)	Line 2494 sudo_ldap_open(struct sudo_nss *nss)
}	}

/* Set global LDAP options */	/* Set global LDAP options */
if (sudo_ldap_set_options_global() < 0)	if (sudo_ldap_set_options_global() != LDAP_SUCCESS)
debug_return_int(-1);	goto done;

/* Connect to LDAP server */	/* Connect to LDAP server */
#ifdef HAVE_LDAP_INITIALIZE	#ifdef HAVE_LDAP_INITIALIZE
if (ldap_conf.uri != NULL) {	if (!STAILQ_EMPTY(&ldap_conf.uri)) {
char *buf = sudo_ldap_join_uri(ldap_conf.uri);	char *buf = sudo_ldap_join_uri(&ldap_conf.uri);
DPRINTF(("ldap_initialize(ld, %s)", buf), 2);	if (buf != NULL) {
rc = ldap_initialize(&ld, buf);	DPRINTF2("ldap_initialize(ld, %s)", buf);
efree(buf);	rc = ldap_initialize(&ld, buf);
if (rc != LDAP_SUCCESS)	efree(buf);
warningx(_("unable to initialize LDAP: %s"), ldap_err2string(rc));	if (rc != LDAP_SUCCESS) {
	warningx(U_("unable to initialize LDAP: %s"),
	ldap_err2string(rc));
	}
	}
} else	} else
#endif	#endif
rc = sudo_ldap_init(&ld, ldap_conf.host, ldap_conf.port);	rc = sudo_ldap_init(&ld, ldap_conf.host, ldap_conf.port);
if (rc != LDAP_SUCCESS)	if (rc != LDAP_SUCCESS)
debug_return_int(-1);	goto done;

/* Set LDAP per-connection options */	/* Set LDAP per-connection options */
if (sudo_ldap_set_options_conn(ld) < 0)	rc = sudo_ldap_set_options_conn(ld);
debug_return_int(-1);	if (rc != LDAP_SUCCESS)
	goto done;

if (ldapnoinit)	if (ldapnoinit)
sudo_unsetenv("LDAPNOINIT");	sudo_unsetenv("LDAPNOINIT");
Line 2232 sudo_ldap_open(struct sudo_nss *nss)	Line 2529 sudo_ldap_open(struct sudo_nss *nss)
rc = ldap_start_tls_s(ld, NULL, NULL);	rc = ldap_start_tls_s(ld, NULL, NULL);
if (rc != LDAP_SUCCESS) {	if (rc != LDAP_SUCCESS) {
warningx("ldap_start_tls_s(): %s", ldap_err2string(rc));	warningx("ldap_start_tls_s(): %s", ldap_err2string(rc));
debug_return_int(-1);	goto done;
}	}
DPRINTF(("ldap_start_tls_s() ok"), 1);	DPRINTF1("ldap_start_tls_s() ok");
#elif defined(HAVE_LDAP_SSL_CLIENT_INIT) && defined(HAVE_LDAP_START_TLS_S_NP)	#elif defined(HAVE_LDAP_SSL_CLIENT_INIT) && defined(HAVE_LDAP_START_TLS_S_NP)
if (ldap_ssl_client_init(NULL, NULL, 0, &rc) != LDAP_SUCCESS) {	int sslrc;
warningx("ldap_ssl_client_init(): %s", ldap_err2string(rc));	rc = ldap_ssl_client_init(ldap_conf.tls_keyfile, ldap_conf.tls_keypw,
debug_return_int(-1);	0, &sslrc);
	if (rc != LDAP_SUCCESS) {
	warningx("ldap_ssl_client_init(): %s (SSL reason code %d)",
	ldap_err2string(rc), sslrc);
	goto done;
}	}
rc = ldap_start_tls_s_np(ld, NULL);	rc = ldap_start_tls_s_np(ld, NULL);
if (rc != LDAP_SUCCESS) {	if (rc != LDAP_SUCCESS) {
warningx("ldap_start_tls_s_np(): %s", ldap_err2string(rc));	warningx("ldap_start_tls_s_np(): %s", ldap_err2string(rc));
debug_return_int(-1);	goto done;
}	}
DPRINTF(("ldap_start_tls_s_np() ok"), 1);	DPRINTF1("ldap_start_tls_s_np() ok");
#else	#else
warningx(_("start_tls specified but LDAP libs do not support ldap_start_tls_s() or ldap_start_tls_s_np()"));	warningx(U_("start_tls specified but LDAP libs do not support ldap_start_tls_s() or ldap_start_tls_s_np()"));
#endif /* !HAVE_LDAP_START_TLS_S && !HAVE_LDAP_START_TLS_S_NP */	#endif /* !HAVE_LDAP_START_TLS_S && !HAVE_LDAP_START_TLS_S_NP */
}	}

/* Actually connect */	/* Actually connect */
if (sudo_ldap_bind_s(ld) != 0)	rc = sudo_ldap_bind_s(ld);
debug_return_int(-1);	if (rc != LDAP_SUCCESS)
	goto done;

/* Create a handle container. */	/* Create a handle container. */
handle = ecalloc(1, sizeof(struct sudo_ldap_handle));	handle = ecalloc(1, sizeof(struct sudo_ldap_handle));
Line 2263 sudo_ldap_open(struct sudo_nss *nss)	Line 2565 sudo_ldap_open(struct sudo_nss *nss)
/* handle->grlist = NULL; */	/* handle->grlist = NULL; */
nss->handle = handle;	nss->handle = handle;

debug_return_int(0);	done:
	(void) sigaction(SIGPIPE, &saved_sa_pipe, NULL);
	debug_return_int(rc == LDAP_SUCCESS ? 0 : -1);
}	}

static int	static int
sudo_ldap_setdefs(struct sudo_nss *nss)	sudo_ldap_setdefs(struct sudo_nss *nss)
{	{
struct ldap_config_list_str *base;	struct ldap_config_str *base;
struct sudo_ldap_handle *handle = nss->handle;	struct sudo_ldap_handle *handle = nss->handle;
struct timeval tv, *tvp = NULL;	struct timeval tv, *tvp = NULL;
LDAP *ld;	LDAP *ld;
Line 2283 sudo_ldap_setdefs(struct sudo_nss *nss)	Line 2587 sudo_ldap_setdefs(struct sudo_nss *nss)
ld = handle->ld;	ld = handle->ld;

filt = sudo_ldap_build_default_filter();	filt = sudo_ldap_build_default_filter();
DPRINTF(("Looking for cn=defaults: %s", filt), 1);	DPRINTF1("Looking for cn=defaults: %s", filt);

for (base = ldap_conf.base; base != NULL; base = base->next) {	STAILQ_FOREACH(base, &ldap_conf.base, entries) {
if (ldap_conf.timeout > 0) {	if (ldap_conf.timeout > 0) {
tv.tv_sec = ldap_conf.timeout;	tv.tv_sec = ldap_conf.timeout;
tv.tv_usec = 0;	tv.tv_usec = 0;
Line 2295 sudo_ldap_setdefs(struct sudo_nss *nss)	Line 2599 sudo_ldap_setdefs(struct sudo_nss *nss)
rc = ldap_search_ext_s(ld, base->val, LDAP_SCOPE_SUBTREE,	rc = ldap_search_ext_s(ld, base->val, LDAP_SCOPE_SUBTREE,
filt, NULL, 0, NULL, NULL, tvp, 0, &result);	filt, NULL, 0, NULL, NULL, tvp, 0, &result);
if (rc == LDAP_SUCCESS && (entry = ldap_first_entry(ld, result))) {	if (rc == LDAP_SUCCESS && (entry = ldap_first_entry(ld, result))) {
DPRINTF(("found:%s", ldap_get_dn(ld, entry)), 1);	DPRINTF1("found:%s", ldap_get_dn(ld, entry));
sudo_ldap_parse_options(ld, entry);	sudo_ldap_parse_options(ld, entry);
} else	} else {
DPRINTF(("no default options found in %s", base->val), 1);	DPRINTF1("no default options found in %s", base->val);
	}
if (result)	if (result)
ldap_msgfree(result);	ldap_msgfree(result);
}	}
Line 2338 sudo_ldap_lookup(struct sudo_nss *nss, int ret, int pw	Line 2642 sudo_ldap_lookup(struct sudo_nss *nss, int ret, int pw
enum def_tuple pwcheck =	enum def_tuple pwcheck =
(pwflag == -1) ? never : sudo_defs_table[pwflag].sd_un.tuple;	(pwflag == -1) ? never : sudo_defs_table[pwflag].sd_un.tuple;

DPRINTF(("perform search for pwflag %d", pwflag), 1);	DPRINTF1("perform search for pwflag %d", pwflag);
for (i = 0; i < lres->nentries; i++) {	for (i = 0; i < lres->nentries; i++) {
entry = lres->entries[i].entry;	entry = lres->entries[i].entry;
if ((pwcheck == any && doauth != false) \|\|	if ((pwcheck == any && doauth != false) \|\|
Line 2377 sudo_ldap_lookup(struct sudo_nss *nss, int ret, int pw	Line 2681 sudo_ldap_lookup(struct sudo_nss *nss, int ret, int pw
goto done;	goto done;
}	}

DPRINTF(("searching LDAP for sudoers entries"), 1);	DPRINTF1("searching LDAP for sudoers entries");

setenv_implied = false;	setenv_implied = false;
for (i = 0; i < lres->nentries; i++) {	for (i = 0; i < lres->nentries; i++) {
Line 2387 sudo_ldap_lookup(struct sudo_nss *nss, int ret, int pw	Line 2691 sudo_ldap_lookup(struct sudo_nss *nss, int ret, int pw
rc = sudo_ldap_check_command(ld, entry, &setenv_implied);	rc = sudo_ldap_check_command(ld, entry, &setenv_implied);
if (rc != UNSPEC) {	if (rc != UNSPEC) {
/* We have a match. */	/* We have a match. */
DPRINTF(("Command %sallowed", rc == true ? "" : "NOT "), 1);	DPRINTF1("Command %sallowed", rc == true ? "" : "NOT ");
if (rc == true) {	if (rc == true) {
DPRINTF(("LDAP entry: %p", entry), 1);	DPRINTF1("LDAP entry: %p", entry);
/* Apply entry-specific options. */	/* Apply entry-specific options. */
if (setenv_implied)	if (setenv_implied)
def_setenv = true;	def_setenv = true;
Line 2412 sudo_ldap_lookup(struct sudo_nss *nss, int ret, int pw	Line 2716 sudo_ldap_lookup(struct sudo_nss *nss, int ret, int pw
}	}

done:	done:
DPRINTF(("done with LDAP searches"), 1);	DPRINTF1("done with LDAP searches");
DPRINTF(("user_matches=%d", lres->user_matches), 1);	DPRINTF1("user_matches=%d", lres->user_matches);
DPRINTF(("host_matches=%d", lres->host_matches), 1);	DPRINTF1("host_matches=%d", lres->host_matches);

if (!ISSET(ret, VALIDATE_OK)) {	if (!ISSET(ret, VALIDATE_OK)) {
/* No matching entries. */	/* No matching entries. */
Line 2425 done:	Line 2729 done:
CLR(ret, FLAG_NO_USER);	CLR(ret, FLAG_NO_USER);
if (lres->host_matches)	if (lres->host_matches)
CLR(ret, FLAG_NO_HOST);	CLR(ret, FLAG_NO_HOST);
DPRINTF(("sudo_ldap_lookup(%d)=0x%02x", pwflag, ret), 1);	DPRINTF1("sudo_ldap_lookup(%d)=0x%02x", pwflag, ret);

debug_return_int(ret);	debug_return_int(ret);
}	}
Line 2445 ldap_entry_compare(const void a, const void b)	Line 2749 ldap_entry_compare(const void a, const void b)
}	}

/*	/*
* Find the last entry in the list of searches, usually the	* Return the last entry in the list of searches, usually the
* one currently being used to add entries.	* one currently being used to add entries.
* XXX - use a tailq instead?
*/	*/
static struct ldap_search_list *	static struct ldap_search_result *
sudo_ldap_result_last_search(struct ldap_result *lres)	sudo_ldap_result_last_search(struct ldap_result *lres)
{	{
struct ldap_search_list *result = lres->searches;
debug_decl(sudo_ldap_result_last_search, SUDO_DEBUG_LDAP)	debug_decl(sudo_ldap_result_last_search, SUDO_DEBUG_LDAP)

if (result) {	debug_return_ptr(STAILQ_LAST(&lres->searches, ldap_search_result, entries));
while (result->next)
result = result->next;
}
debug_return_ptr(result);
}	}

/*	/*
Line 2468 sudo_ldap_result_last_search(struct ldap_result *lres)	Line 2766 sudo_ldap_result_last_search(struct ldap_result *lres)
static struct ldap_entry_wrapper *	static struct ldap_entry_wrapper *
sudo_ldap_result_add_entry(struct ldap_result lres, LDAPMessage entry)	sudo_ldap_result_add_entry(struct ldap_result lres, LDAPMessage entry)
{	{
struct ldap_search_list *last;	struct ldap_search_result *last;
struct berval **bv;	struct berval **bv;
double order = 0.0;	double order = 0.0;
char *ep;	char *ep;
Line 2480 sudo_ldap_result_add_entry(struct ldap_result *lres, L	Line 2778 sudo_ldap_result_add_entry(struct ldap_result *lres, L
if (bv != NULL) {	if (bv != NULL) {
if (ldap_count_values_len(bv) > 0) {	if (ldap_count_values_len(bv) > 0) {
/* Get the value of this attribute, 0 if not present. */	/* Get the value of this attribute, 0 if not present. */
DPRINTF(("order attribute raw: %s", (*bv)->bv_val), 1);	DPRINTF2("order attribute raw: %s", (*bv)->bv_val);
order = strtod((*bv)->bv_val, &ep);	order = strtod((*bv)->bv_val, &ep);
if (ep == (bv)->bv_val \|\| ep != '\0') {	if (ep == (bv)->bv_val \|\| ep != '\0') {
warningx(_("invalid sudoOrder attribute: %s"), (*bv)->bv_val);	warningx(U_("invalid sudoOrder attribute: %s"), (*bv)->bv_val);
order = 0.0;	order = 0.0;
}	}
DPRINTF(("order attribute: %f", order), 1);	DPRINTF2("order attribute: %f", order);
}	}
ldap_value_free_len(bv);	ldap_value_free_len(bv);
}	}
Line 2518 sudo_ldap_result_free_nss(struct sudo_nss *nss)	Line 2816 sudo_ldap_result_free_nss(struct sudo_nss *nss)
debug_decl(sudo_ldap_result_free_nss, SUDO_DEBUG_LDAP)	debug_decl(sudo_ldap_result_free_nss, SUDO_DEBUG_LDAP)

if (handle->result != NULL) {	if (handle->result != NULL) {
DPRINTF(("removing reusable search result"), 1);	DPRINTF1("removing reusable search result");
sudo_ldap_result_free(handle->result);	sudo_ldap_result_free(handle->result);
if (handle->username) {	if (handle->username) {
efree(handle->username);	efree(handle->username);
Line 2538 static struct ldap_result *	Line 2836 static struct ldap_result *
sudo_ldap_result_get(struct sudo_nss nss, struct passwd pw)	sudo_ldap_result_get(struct sudo_nss nss, struct passwd pw)
{	{
struct sudo_ldap_handle *handle = nss->handle;	struct sudo_ldap_handle *handle = nss->handle;
struct ldap_config_list_str *base;	struct ldap_config_str *base;
struct ldap_result *lres;	struct ldap_result *lres;
struct timeval tv, *tvp = NULL;	struct timeval tv, *tvp = NULL;
LDAPMessage entry, result;	LDAPMessage entry, result;
LDAP *ld = handle->ld;	LDAP *ld = handle->ld;
int do_netgr, rc;	int pass, rc;
char *filt;	char *filt;
debug_decl(sudo_ldap_result_get, SUDO_DEBUG_LDAP)	debug_decl(sudo_ldap_result_get, SUDO_DEBUG_LDAP)

Line 2554 sudo_ldap_result_get(struct sudo_nss *nss, struct pass	Line 2852 sudo_ldap_result_get(struct sudo_nss *nss, struct pass
if (handle->result) {	if (handle->result) {
if (handle->grlist == user_group_list &&	if (handle->grlist == user_group_list &&
strcmp(pw->pw_name, handle->username) == 0) {	strcmp(pw->pw_name, handle->username) == 0) {
DPRINTF(("reusing previous result (user %s) with %d entries",	DPRINTF1("reusing previous result (user %s) with %d entries",
handle->username, handle->result->nentries), 1);	handle->username, handle->result->nentries);
debug_return_ptr(handle->result);	debug_return_ptr(handle->result);
}	}
/* User mismatch, cached result cannot be used. */	/* User mismatch, cached result cannot be used. */
DPRINTF(("removing result (user %s), new search (user %s)",	DPRINTF1("removing result (user %s), new search (user %s)",
handle->username, pw->pw_name), 1);	handle->username, pw->pw_name);
sudo_ldap_result_free_nss(nss);	sudo_ldap_result_free_nss(nss);
}	}

Line 2574 sudo_ldap_result_get(struct sudo_nss *nss, struct pass	Line 2872 sudo_ldap_result_get(struct sudo_nss *nss, struct pass
* sudoUser in this pass since the LDAP server already scanned	* sudoUser in this pass since the LDAP server already scanned
* it for us.	* it for us.
*	*
* The second pass will return all the entries that contain	* The second pass will return all the entries that contain non-
* user netgroups. Then we take the netgroups returned and	* Unix groups, including netgroups. Then we take the non-Unix
* try to match them against the username.	* groups returned and try to match them against the username.
*	*
* Since we have to sort the possible entries before we make a	* Since we have to sort the possible entries before we make a
* decision, we perform the queries and store all of the results in	* decision, we perform the queries and store all of the results in
* an ldap_result object. The results are then sorted by sudoOrder.	* an ldap_result object. The results are then sorted by sudoOrder.
*/	*/
lres = sudo_ldap_result_alloc();	lres = sudo_ldap_result_alloc();
for (do_netgr = 0; do_netgr < 2; do_netgr++) {	for (pass = 0; pass < 2; pass++) {
filt = do_netgr ? sudo_ldap_build_pass2() : sudo_ldap_build_pass1(pw);	filt = pass ? sudo_ldap_build_pass2() : sudo_ldap_build_pass1(pw);
DPRINTF(("ldap search '%s'", filt), 1);	if (filt != NULL) {
for (base = ldap_conf.base; base != NULL; base = base->next) {	DPRINTF1("ldap search '%s'", filt);
DPRINTF(("searching from base '%s'", base->val), 1);	STAILQ_FOREACH(base, &ldap_conf.base, entries) {
if (ldap_conf.timeout > 0) {	DPRINTF1("searching from base '%s'",
tv.tv_sec = ldap_conf.timeout;	base->val);
tv.tv_usec = 0;	if (ldap_conf.timeout > 0) {
tvp = &tv;	tv.tv_sec = ldap_conf.timeout;
}	tv.tv_usec = 0;
result = NULL;	tvp = &tv;
rc = ldap_search_ext_s(ld, base->val, LDAP_SCOPE_SUBTREE, filt,	}
NULL, 0, NULL, NULL, tvp, 0, &result);	result = NULL;
if (rc != LDAP_SUCCESS) {	rc = ldap_search_ext_s(ld, base->val, LDAP_SCOPE_SUBTREE, filt,
DPRINTF(("nothing found for '%s'", filt), 1);	NULL, 0, NULL, NULL, tvp, 0, &result);
continue;	if (rc != LDAP_SUCCESS) {
}	DPRINTF1("nothing found for '%s'", filt);
lres->user_matches = true;	continue;
	}
	lres->user_matches = true;

/* Add the seach result to list of search results. */	/* Add the seach result to list of search results. */
DPRINTF(("adding search result"), 1);	DPRINTF1("adding search result");
sudo_ldap_result_add_search(lres, ld, result);	sudo_ldap_result_add_search(lres, ld, result);
LDAP_FOREACH(entry, ld, result) {	LDAP_FOREACH(entry, ld, result) {
if ((!do_netgr \|\|	if ((!pass \|\|
sudo_ldap_check_user_netgroup(ld, entry, pw->pw_name)) &&	sudo_ldap_check_non_unix_group(ld, entry, pw)) &&
sudo_ldap_check_host(ld, entry)) {	sudo_ldap_check_host(ld, entry)) {
lres->host_matches = true;	lres->host_matches = true;
sudo_ldap_result_add_entry(lres, entry);	sudo_ldap_result_add_entry(lres, entry);
	}
}	}
	DPRINTF1("result now has %d entries", lres->nentries);
}	}
DPRINTF(("result now has %d entries", lres->nentries), 1);	efree(filt);
}	}
efree(filt);
}	}

/* Sort the entries by the sudoOrder attribute. */	/* Sort the entries by the sudoOrder attribute. */
DPRINTF(("sorting remaining %d entries", lres->nentries), 1);	DPRINTF1("sorting remaining %d entries", lres->nentries);
qsort(lres->entries, lres->nentries, sizeof(lres->entries[0]),	qsort(lres->entries, lres->nentries, sizeof(lres->entries[0]),
ldap_entry_compare);	ldap_entry_compare);

Line 2688 sudo_ldap_result_from_search(LDAP ldap, LDAPMessage	Line 2989 sudo_ldap_result_from_search(LDAP ldap, LDAPMessage
* Build a new list node for the search result, this creates the	* Build a new list node for the search result, this creates the
* list node.	* list node.
*/	*/
struct ldap_search_list *last = sudo_ldap_result_add_search(result,	struct ldap_search_result *last = sudo_ldap_result_add_search(result,
ldap, searchresult);	ldap, searchresult);

/*	/*
Line 2699 sudo_ldap_result_from_search(LDAP ldap, LDAPMessage	Line 3000 sudo_ldap_result_from_search(LDAP ldap, LDAPMessage
LDAP_FOREACH(entry, last->ldap, last->searchresult) {	LDAP_FOREACH(entry, last->ldap, last->searchresult) {
sudo_ldap_result_add_entry(result, entry);	sudo_ldap_result_add_entry(result, entry);
}	}
DPRINTF(("sudo_ldap_result_from_search: %d entries found",	DPRINTF1("sudo_ldap_result_from_search: %d entries found", result->nentries);
result->nentries), 2);
return result;	return result;
}	}
#endif	#endif

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Removed from v.1.1.1.2
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	Added in v.1.1.1.6