static int
perform_ldap_search(uschar *ldap_url, uschar *server, int s_port, int search_type,
uschar **res, uschar **errmsg, BOOL *defer_break, uschar *user, uschar *password,
int sizelimit, int timelimit, int tcplimit, int dereference, void *referrals)
{
LDAPURLDesc *ludp = NULL;
LDAPMessage *result = NULL;
BerElement *ber;
LDAP_CONNECTION *lcp;
struct timeval timeout;
struct timeval *timeoutptr = NULL;
uschar *attr;
uschar **attrp;
uschar *data = NULL;
uschar *dn = NULL;
uschar *host;
uschar **values;
uschar **firstval;
uschar porttext[16];
uschar *error1 = NULL; /* string representation of errcode (static) */
uschar *error2 = NULL; /* error message from the server */
uschar *matched = NULL; /* partially matched DN */
int attr_count = 0;
int error_yield = DEFER;
int msgid;
int rc, ldap_rc, ldap_parse_rc;
int port;
int ptr = 0;
int rescount = 0;
int size = 0;
BOOL attribute_found = FALSE;
BOOL ldapi = FALSE;
DEBUG(D_lookup)
debug_printf("perform_ldap_search: ldap%s URL = \"%s\" server=%s port=%d "
"sizelimit=%d timelimit=%d tcplimit=%d\n",
(search_type == SEARCH_LDAP_MULTIPLE)? "m" :
(search_type == SEARCH_LDAP_DN)? "dn" :
(search_type == SEARCH_LDAP_AUTH)? "auth" : "",
ldap_url, server, s_port, sizelimit, timelimit, tcplimit);
/* Check if LDAP thinks the URL is a valid LDAP URL. We assume that if the LDAP
library that is in use doesn't recognize, say, "ldapi", it will barf here. */
if (!ldap_is_ldap_url(CS ldap_url))
{
*errmsg = string_sprintf("ldap_is_ldap_url: not an LDAP url \"%s\"\n",
ldap_url);
goto RETURN_ERROR_BREAK;
}
/* Parse the URL */
if ((rc = ldap_url_parse(CS ldap_url, &ludp)) != 0)
{
*errmsg = string_sprintf("ldap_url_parse: (error %d) parsing \"%s\"\n", rc,
ldap_url);
goto RETURN_ERROR_BREAK;
}
/* If the host name is empty, take it from the separate argument, if one is
given. OpenLDAP 2.0.6 sets an unset hostname to "" rather than empty, but
expects NULL later in ldap_init() to mean "default", annoyingly. In OpenLDAP
2.0.11 this has changed (it uses NULL). */
if ((ludp->lud_host == NULL || ludp->lud_host[0] == 0) && server != NULL)
{
host = server;
port = s_port;
}
else
{
host = US ludp->lud_host;
if (host != NULL && host[0] == 0) host = NULL;
port = ludp->lud_port;
}
DEBUG(D_lookup) debug_printf("after ldap_url_parse: host=%s port=%d\n",
host, port);
if (port == 0) port = LDAP_PORT; /* Default if none given */
sprintf(CS porttext, ":%d", port); /* For messages */
/* If the "host name" is actually a path, we are going to connect using a Unix
socket, regardless of whether "ldapi" was actually specified or not. This means
that a Unix socket can be declared in eldap_default_servers, and "traditional"
LDAP queries using just "ldap" can be used ("ldaps" is similarly overridden).
The path may start with "/" or it may already be escaped as "%2F" if it was
actually declared that way in eldap_default_servers. (I did it that way the
first time.) If the host name is not a path, the use of "ldapi" causes an
error, except in the default case. (But lud_scheme doesn't seem to exist in
older libraries.) */
if (host != NULL)
{
if ((host[0] == '/' || Ustrncmp(host, "%2F", 3) == 0))
{
ldapi = TRUE;
porttext[0] = 0; /* Remove port from messages */
}
#if defined LDAP_LIB_OPENLDAP2
else if (strncmp(ludp->lud_scheme, "ldapi", 5) == 0)
{
*errmsg = string_sprintf("ldapi requires an absolute path (\"%s\" given)",
host);
goto RETURN_ERROR;
}
#endif
}
/* Count the attributes; we need this later to tell us how to format results */
for (attrp = USS ludp->lud_attrs; attrp != NULL && *attrp != NULL; attrp++)
attr_count++;
/* See if we can find a cached connection to this host. The port is not
relevant for ldapi. The host name pointer is set to NULL if no host was given
(implying the library default), rather than to the empty string. Note that in
this case, there is no difference between ldap and ldapi. */
for (lcp = ldap_connections; lcp != NULL; lcp = lcp->next)
{
if ((host == NULL) != (lcp->host == NULL) ||
(host != NULL && strcmpic(lcp->host, host) != 0))
continue;
if (ldapi || port == lcp->port) break;
}
/* Use this network timeout in any requests. */
if (tcplimit > 0)
{
timeout.tv_sec = tcplimit;
timeout.tv_usec = 0;
timeoutptr = &timeout;
}
/* If no cached connection found, we must open a connection to the server. If
the server name is actually an absolute path, we set ldapi=TRUE above. This
requests connection via a Unix socket. However, as far as I know, only OpenLDAP
supports the use of sockets, and the use of ldap_initialize(). */
if (lcp == NULL)
{
LDAP *ld;
/* --------------------------- OpenLDAP ------------------------ */
/* There seems to be a preference under OpenLDAP for ldap_initialize()
instead of ldap_init(), though I have as yet been unable to find
documentation that says this. (OpenLDAP documentation is sparse to
non-existent). So we handle OpenLDAP differently here. Also, support for
ldapi seems to be OpenLDAP-only at present. */
#ifdef LDAP_LIB_OPENLDAP2
/* We now need an empty string for the default host. Get some store in which
to build a URL for ldap_initialize(). In the ldapi case, it can't be bigger
than (9 + 3*Ustrlen(shost)), whereas in the other cases it can't be bigger
than the host name + "ldaps:///" plus : and a port number, say 20 + the
length of the host name. What we get should accommodate both, easily. */
uschar *shost = (host == NULL)? US"" : host;
uschar *init_url = store_get(20 + 3 * Ustrlen(shost));
uschar *init_ptr;
/* Handle connection via Unix socket ("ldapi"). We build a basic LDAP URI to
contain the path name, with slashes escaped as %2F. */
if (ldapi)
{
int ch;
init_ptr = init_url + 8;
Ustrcpy(init_url, "ldapi://");
while ((ch = *shost++) != 0)
{
if (ch == '/')
{
Ustrncpy(init_ptr, "%2F", 3);
init_ptr += 3;
}
else *init_ptr++ = ch;
}
*init_ptr = 0;
}
/* This is not an ldapi call. Just build a URI with the protocol type, host
name, and port. */
else
{
init_ptr = Ustrchr(ldap_url, '/');
Ustrncpy(init_url, ldap_url, init_ptr - ldap_url);
init_ptr = init_url + (init_ptr - ldap_url);
sprintf(CS init_ptr, "//%s:%d/", shost, port);
}
/* Call ldap_initialize() and check the result */
DEBUG(D_lookup) debug_printf("ldap_initialize with URL %s\n", init_url);
rc = ldap_initialize(&ld, CS init_url);
if (rc != LDAP_SUCCESS)
{
*errmsg = string_sprintf("ldap_initialize: (error %d) URL \"%s\"\n",
rc, init_url);
goto RETURN_ERROR;
}
store_reset(init_url); /* Might as well save memory when we can */
/* ------------------------- Not OpenLDAP ---------------------- */
/* For libraries other than OpenLDAP, use ldap_init(). */
#else /* LDAP_LIB_OPENLDAP2 */
ld = ldap_init(CS host, port);
#endif /* LDAP_LIB_OPENLDAP2 */
/* -------------------------------------------------------------- */
/* Handle failure to initialize */
if (ld == NULL)
{
*errmsg = string_sprintf("failed to initialize for LDAP server %s%s - %s",
host, porttext, strerror(errno));
goto RETURN_ERROR;
}
/* Set the TCP connect time limit if available. This is something that is
in Netscape SDK v4.1; I don't know about other libraries. */
#ifdef LDAP_X_OPT_CONNECT_TIMEOUT
if (tcplimit > 0)
{
int timeout1000 = tcplimit*1000;
ldap_set_option(ld, LDAP_X_OPT_CONNECT_TIMEOUT, (void *)&timeout1000);
}
else
{
int notimeout = LDAP_X_IO_TIMEOUT_NO_TIMEOUT;
ldap_set_option(ld, LDAP_X_OPT_CONNECT_TIMEOUT, (void *)¬imeout);
}
#endif
/* Set the TCP connect timeout. This works with OpenLDAP 2.2.14. */
#ifdef LDAP_OPT_NETWORK_TIMEOUT
if (tcplimit > 0)
ldap_set_option(ld, LDAP_OPT_NETWORK_TIMEOUT, (void *)timeoutptr);
#endif
/* I could not get TLS to work until I set the version to 3. That version
seems to be the default nowadays. The RFC is dated 1997, so I would hope
that all the LDAP libraries support it. Therefore, if eldap_version hasn't
been set, go for v3 if we can. */
if (eldap_version < 0)
{
#ifdef LDAP_VERSION3
eldap_version = LDAP_VERSION3;
#else
eldap_version = 2;
#endif
}
#ifdef LDAP_OPT_PROTOCOL_VERSION
ldap_set_option(ld, LDAP_OPT_PROTOCOL_VERSION, (void *)&eldap_version);
#endif
DEBUG(D_lookup) debug_printf("initialized for LDAP (v%d) server %s%s\n",
eldap_version, host, porttext);
/* If not using ldapi and TLS is available, set appropriate TLS options: hard
for "ldaps" and soft otherwise. */
#ifdef LDAP_OPT_X_TLS
if (!ldapi)
{
int tls_option;
if (strncmp(ludp->lud_scheme, "ldaps", 5) == 0)
{
tls_option = LDAP_OPT_X_TLS_HARD;
DEBUG(D_lookup) debug_printf("LDAP_OPT_X_TLS_HARD set\n");
}
else
{
tls_option = LDAP_OPT_X_TLS_TRY;
DEBUG(D_lookup) debug_printf("LDAP_OPT_X_TLS_TRY set\n");
}
ldap_set_option(ld, LDAP_OPT_X_TLS, (void *)&tls_option);
}
#endif /* LDAP_OPT_X_TLS */
#ifdef LDAP_OPT_X_TLS_CACERTFILE
if (eldap_ca_cert_file != NULL)
{
ldap_set_option(ld, LDAP_OPT_X_TLS_CACERTFILE, eldap_ca_cert_file);
}
#endif
#ifdef LDAP_OPT_X_TLS_CACERTDIR
if (eldap_ca_cert_dir != NULL)
{
ldap_set_option(ld, LDAP_OPT_X_TLS_CACERTDIR, eldap_ca_cert_dir);
}
#endif
#ifdef LDAP_OPT_X_TLS_CERTFILE
if (eldap_cert_file != NULL)
{
ldap_set_option(ld, LDAP_OPT_X_TLS_CERTFILE, eldap_cert_file);
}
#endif
#ifdef LDAP_OPT_X_TLS_KEYFILE
if (eldap_cert_key != NULL)
{
ldap_set_option(ld, LDAP_OPT_X_TLS_KEYFILE, eldap_cert_key);
}
#endif
#ifdef LDAP_OPT_X_TLS_CIPHER_SUITE
if (eldap_cipher_suite != NULL)
{
ldap_set_option(ld, LDAP_OPT_X_TLS_CIPHER_SUITE, eldap_cipher_suite);
}
#endif
#ifdef LDAP_OPT_X_TLS_REQUIRE_CERT
if (eldap_require_cert != NULL)
{
int cert_option = LDAP_OPT_X_TLS_NEVER;
if (Ustrcmp(eldap_require_cert, "hard") == 0)
{
cert_option = LDAP_OPT_X_TLS_HARD;
}
else if (Ustrcmp(eldap_require_cert, "demand") == 0)
{
cert_option = LDAP_OPT_X_TLS_DEMAND;
}
else if (Ustrcmp(eldap_require_cert, "allow") == 0)
{
cert_option = LDAP_OPT_X_TLS_ALLOW;
}
else if (Ustrcmp(eldap_require_cert, "try") == 0)
{
cert_option = LDAP_OPT_X_TLS_TRY;
}
ldap_set_option(ld, LDAP_OPT_X_TLS_REQUIRE_CERT, &cert_option);
}
#endif
/* Now add this connection to the chain of cached connections */
lcp = store_get(sizeof(LDAP_CONNECTION));
lcp->host = (host == NULL)? NULL : string_copy(host);
lcp->bound = FALSE;
lcp->user = NULL;
lcp->password = NULL;
lcp->port = port;
lcp->ld = ld;
lcp->next = ldap_connections;
ldap_connections = lcp;
}
/* Found cached connection */
else
{
DEBUG(D_lookup)
debug_printf("re-using cached connection to LDAP server %s%s\n",
host, porttext);
}
/* Bind with the user/password supplied, or an anonymous bind if these values
are NULL, unless a cached connection is already bound with the same values. */
if (!lcp->bound ||
(lcp->user == NULL && user != NULL) ||
(lcp->user != NULL && user == NULL) ||
(lcp->user != NULL && user != NULL && Ustrcmp(lcp->user, user) != 0) ||
(lcp->password == NULL && password != NULL) ||
(lcp->password != NULL && password == NULL) ||
(lcp->password != NULL && password != NULL &&
Ustrcmp(lcp->password, password) != 0))
{
DEBUG(D_lookup) debug_printf("%sbinding with user=%s password=%s\n",
(lcp->bound)? "re-" : "", user, password);
#ifdef LDAP_OPT_X_TLS
/* The Oracle LDAP libraries (LDAP_LIB_TYPE=SOLARIS) don't support this: */
if (eldap_start_tls)
{
ldap_start_tls_s(lcp->ld, NULL, NULL);
}
#endif
if ((msgid = ldap_bind(lcp->ld, CS user, CS password, LDAP_AUTH_SIMPLE))
== -1)
{
*errmsg = string_sprintf("failed to bind the LDAP connection to server "
"%s%s - ldap_bind() returned -1", host, porttext);
goto RETURN_ERROR;
}
if ((rc = ldap_result( lcp->ld, msgid, 1, timeoutptr, &result )) <= 0)
{
*errmsg = string_sprintf("failed to bind the LDAP connection to server "
"%s%s - LDAP error: %s", host, porttext,
rc == -1 ? "result retrieval failed" : "timeout" );
result = NULL;
goto RETURN_ERROR;
}
rc = ldap_result2error( lcp->ld, result, 0 );
/* Invalid credentials when just checking credentials returns FAIL. This
stops any further servers being tried. */
if (search_type == SEARCH_LDAP_AUTH && rc == LDAP_INVALID_CREDENTIALS)
{
DEBUG(D_lookup)
debug_printf("Invalid credentials: ldapauth returns FAIL\n");
error_yield = FAIL;
goto RETURN_ERROR_NOMSG;
}
/* Otherwise we have a problem that doesn't stop further servers from being
tried. */
if (rc != LDAP_SUCCESS)
{
*errmsg = string_sprintf("failed to bind the LDAP connection to server "
"%s%s - LDAP error %d: %s", host, porttext, rc, ldap_err2string(rc));
goto RETURN_ERROR;
}
/* Successful bind */
lcp->bound = TRUE;
lcp->user = (user == NULL)? NULL : string_copy(user);
lcp->password = (password == NULL)? NULL : string_copy(password);
ldap_msgfree(result);
result = NULL;
}
/* If we are just checking credentials, return OK. */
if (search_type == SEARCH_LDAP_AUTH)
{
DEBUG(D_lookup) debug_printf("Bind succeeded: ldapauth returns OK\n");
goto RETURN_OK;
}
/* Before doing the search, set the time and size limits (if given). Here again
the different implementations of LDAP have chosen to do things differently. */
#if defined(LDAP_OPT_SIZELIMIT)
ldap_set_option(lcp->ld, LDAP_OPT_SIZELIMIT, (void *)&sizelimit);
ldap_set_option(lcp->ld, LDAP_OPT_TIMELIMIT, (void *)&timelimit);
#else
lcp->ld->ld_sizelimit = sizelimit;
lcp->ld->ld_timelimit = timelimit;
#endif
/* Similarly for dereferencing aliases. Don't know if this is possible on
an LDAP library without LDAP_OPT_DEREF. */
#if defined(LDAP_OPT_DEREF)
ldap_set_option(lcp->ld, LDAP_OPT_DEREF, (void *)&dereference);
#endif
/* Similarly for the referral setting; should the library follow referrals that
the LDAP server returns? The conditional is just in case someone uses a library
without it. */
#if defined(LDAP_OPT_REFERRALS)
ldap_set_option(lcp->ld, LDAP_OPT_REFERRALS, referrals);
#endif
/* Start the search on the server. */
DEBUG(D_lookup) debug_printf("Start search\n");
msgid = ldap_search(lcp->ld, ludp->lud_dn, ludp->lud_scope, ludp->lud_filter,
ludp->lud_attrs, 0);
if (msgid == -1)
{
#if defined LDAP_LIB_SOLARIS || defined LDAP_LIB_OPENLDAP2
int err;
ldap_get_option(lcp->ld, LDAP_OPT_ERROR_NUMBER, &err);
*errmsg = string_sprintf("ldap_search failed: %d, %s", err,
ldap_err2string(err));
#else
*errmsg = string_sprintf("ldap_search failed");
#endif
goto RETURN_ERROR;
}
/* Loop to pick up results as they come in, setting a timeout if one was
given. */
while ((rc = ldap_result(lcp->ld, msgid, 0, timeoutptr, &result)) ==
LDAP_RES_SEARCH_ENTRY)
{
LDAPMessage *e;
DEBUG(D_lookup) debug_printf("ldap_result loop\n");
for(e = ldap_first_entry(lcp->ld, result);
e != NULL;
e = ldap_next_entry(lcp->ld, e))
{
uschar *new_dn;
BOOL insert_space = FALSE;
DEBUG(D_lookup) debug_printf("LDAP entry loop\n");
rescount++; /* Count results */
/* Results for multiple entries values are separated by newlines. */
if (data != NULL) data = string_cat(data, &size, &ptr, US"\n", 1);
/* Get the DN from the last result. */
new_dn = US ldap_get_dn(lcp->ld, e);
if (new_dn != NULL)
{
if (dn != NULL)
{
#if defined LDAP_LIB_NETSCAPE || defined LDAP_LIB_OPENLDAP2
ldap_memfree(dn);
#else /* OPENLDAP 1, UMich, Solaris */
free(dn);
#endif
}
/* Save for later */
dn = new_dn;
}
/* If the data we want is actually the DN rather than any attribute values,
(an "ldapdn" search) add it to the data string. If there are multiple
entries, the DNs will be concatenated, but we test for this case below, as
for SEARCH_LDAP_SINGLE, and give an error. */
if (search_type == SEARCH_LDAP_DN) /* Do not amalgamate these into one */
{ /* condition, because of the else */
if (new_dn != NULL) /* below, that's for the first only */
{
data = string_cat(data, &size, &ptr, new_dn, Ustrlen(new_dn));
data[ptr] = 0;
attribute_found = TRUE;
}
}
/* Otherwise, loop through the entry, grabbing attribute values. If there's
only one attribute being retrieved, no attribute name is given, and the
result is not quoted. Multiple values are separated by (comma, space).
If more than one attribute is being retrieved, the data is given as a
sequence of name=value pairs, with the value always in quotes. If there are
multiple values, they are given within the quotes, comma separated. */
else for (attr = US ldap_first_attribute(lcp->ld, e, &ber);
attr != NULL;
attr = US ldap_next_attribute(lcp->ld, e, ber))
{
if (attr[0] != 0)
{
/* Get array of values for this attribute. */
if ((firstval = values = USS ldap_get_values(lcp->ld, e, CS attr))
!= NULL)
{
if (attr_count != 1)
{
if (insert_space)
data = string_cat(data, &size, &ptr, US" ", 1);
else
insert_space = TRUE;
data = string_cat(data, &size, &ptr, attr, Ustrlen(attr));
data = string_cat(data, &size, &ptr, US"=\"", 2);
}
while (*values != NULL)
{
uschar *value = *values;
int len = Ustrlen(value);
DEBUG(D_lookup) debug_printf("LDAP attr loop %s:%s\n", attr, value);
if (values != firstval)
data = string_cat(data, &size, &ptr, US", ", 2);
/* For multiple attributes, the data is in quotes. We must escape
internal quotes, backslashes, newlines. */
if (attr_count != 1)
{
int j;
for (j = 0; j < len; j++)
{
if (value[j] == '\n')
data = string_cat(data, &size, &ptr, US"\\n", 2);
else
{
if (value[j] == '\"' || value[j] == '\\')
data = string_cat(data, &size, &ptr, US"\\", 1);
data = string_cat(data, &size, &ptr, value+j, 1);
}
}
}
/* For single attributes, copy the value verbatim */
else data = string_cat(data, &size, &ptr, value, len);
/* Move on to the next value */
values++;
attribute_found = TRUE;
}
/* Closing quote at the end of the data for a named attribute. */
if (attr_count != 1)
data = string_cat(data, &size, &ptr, US"\"", 1);
/* Free the values */
ldap_value_free(CSS firstval);
}
}
#if defined LDAP_LIB_NETSCAPE || defined LDAP_LIB_OPENLDAP2
/* Netscape and OpenLDAP2 LDAP's attrs are dynamically allocated and need
to be freed. UMich LDAP stores them in static storage and does not require
this. */
ldap_memfree(attr);
#endif
} /* End "for" loop for extracting attributes from an entry */
} /* End "for" loop for extracting entries from a result */
/* Free the result */
ldap_msgfree(result);
result = NULL;
} /* End "while" loop for multiple results */
/* Terminate the dynamic string that we have built and reclaim unused store */
if (data != NULL)
{
data[ptr] = 0;
store_reset(data + ptr + 1);
}
/* Copy the last dn into eldap_dn */
if (dn != NULL)
{
eldap_dn = string_copy(dn);
#if defined LDAP_LIB_NETSCAPE || defined LDAP_LIB_OPENLDAP2
ldap_memfree(dn);
#else /* OPENLDAP 1, UMich, Solaris */
free(dn);
#endif
}
DEBUG(D_lookup) debug_printf("search ended by ldap_result yielding %d\n",rc);
if (rc == 0)
{
*errmsg = US"ldap_result timed out";
goto RETURN_ERROR;
}
/* A return code of -1 seems to mean "ldap_result failed internally or couldn't
provide you with a message". Other error states seem to exist where
ldap_result() didn't give us any message from the server at all, leaving result
set to NULL. Apparently, "the error parameters of the LDAP session handle will
be set accordingly". That's the best we can do to retrieve an error status; we
can't use functions like ldap_result2error because they parse a message from
the server, which we didn't get.
Annoyingly, the different implementations of LDAP have gone for different
methods of handling error codes and generating error messages. */
if (rc == -1 || result == NULL)
{
int err;
DEBUG(D_lookup) debug_printf("ldap_result failed\n");
#if defined LDAP_LIB_SOLARIS || defined LDAP_LIB_OPENLDAP2
ldap_get_option(lcp->ld, LDAP_OPT_ERROR_NUMBER, &err);
*errmsg = string_sprintf("ldap_result failed: %d, %s",
err, ldap_err2string(err));
#elif defined LDAP_LIB_NETSCAPE
/* Dubious (surely 'matched' is spurious here?) */
(void)ldap_get_lderrno(lcp->ld, &matched, &error1);
*errmsg = string_sprintf("ldap_result failed: %s (%s)", error1, matched);
#else /* UMich LDAP aka OpenLDAP 1.x */
*errmsg = string_sprintf("ldap_result failed: %d, %s",
lcp->ld->ld_errno, ldap_err2string(lcp->ld->ld_errno));
#endif
goto RETURN_ERROR;
}
/* A return code that isn't -1 doesn't necessarily mean there were no problems
with the search. The message must be an LDAP_RES_SEARCH_RESULT or
LDAP_RES_SEARCH_REFERENCE or else it's something we can't handle. Some versions
of LDAP do not define LDAP_RES_SEARCH_REFERENCE (LDAP v1 is one, it seems). So
we don't provide that functionality when we can't. :-) */
if (rc != LDAP_RES_SEARCH_RESULT
#ifdef LDAP_RES_SEARCH_REFERENCE
&& rc != LDAP_RES_SEARCH_REFERENCE
#endif
)
{
*errmsg = string_sprintf("ldap_result returned unexpected code %d", rc);
goto RETURN_ERROR;
}
/* We have a result message from the server. This doesn't yet mean all is well.
We need to parse the message to find out exactly what's happened. */
#if defined LDAP_LIB_SOLARIS || defined LDAP_LIB_OPENLDAP2
ldap_rc = rc;
ldap_parse_rc = ldap_parse_result(lcp->ld, result, &rc, CSS &matched,
CSS &error2, NULL, NULL, 0);
DEBUG(D_lookup) debug_printf("ldap_parse_result: %d\n", ldap_parse_rc);
if (ldap_parse_rc < 0 &&
(ldap_parse_rc != LDAP_NO_RESULTS_RETURNED
#ifdef LDAP_RES_SEARCH_REFERENCE
|| ldap_rc != LDAP_RES_SEARCH_REFERENCE
#endif
))
{
*errmsg = string_sprintf("ldap_parse_result failed %d", ldap_parse_rc);
goto RETURN_ERROR;
}
error1 = US ldap_err2string(rc);
#elif defined LDAP_LIB_NETSCAPE
/* Dubious (it doesn't reference 'result' at all!) */
rc = ldap_get_lderrno(lcp->ld, &matched, &error1);
#else /* UMich LDAP aka OpenLDAP 1.x */
rc = ldap_result2error(lcp->ld, result, 0);
error1 = ldap_err2string(rc);
error2 = lcp->ld->ld_error;
matched = lcp->ld->ld_matched;
#endif
/* Process the status as follows:
(1) If we get LDAP_SIZELIMIT_EXCEEDED, just carry on, to return the
truncated result list.
(2) If we get LDAP_RES_SEARCH_REFERENCE, also just carry on. This was a
submitted patch that is reported to "do the right thing" with Solaris
LDAP libraries. (The problem it addresses apparently does not occur with
Open LDAP.)
(3) The range of errors defined by LDAP_NAME_ERROR generally mean "that
object does not, or cannot, exist in the database". For those cases we
fail the lookup.
(4) All other non-successes here are treated as some kind of problem with
the lookup, so return DEFER (which is the default in error_yield).
*/
DEBUG(D_lookup) debug_printf("ldap_parse_result yielded %d: %s\n",
rc, ldap_err2string(rc));
if (rc != LDAP_SUCCESS && rc != LDAP_SIZELIMIT_EXCEEDED
#ifdef LDAP_RES_SEARCH_REFERENCE
&& rc != LDAP_RES_SEARCH_REFERENCE
#endif
)
{
*errmsg = string_sprintf("LDAP search failed - error %d: %s%s%s%s%s",
rc,
(error1 != NULL)? error1 : US"",
(error2 != NULL && error2[0] != 0)? US"/" : US"",
(error2 != NULL)? error2 : US"",
(matched != NULL && matched[0] != 0)? US"/" : US"",
(matched != NULL)? matched : US"");
#if defined LDAP_NAME_ERROR
if (LDAP_NAME_ERROR(rc))
#elif defined NAME_ERROR /* OPENLDAP1 calls it this */
if (NAME_ERROR(rc))
#else
if (rc == LDAP_NO_SUCH_OBJECT)
#endif
{
DEBUG(D_lookup) debug_printf("lookup failure forced\n");
error_yield = FAIL;
}
goto RETURN_ERROR;
}
/* The search succeeded. Check if we have too many results */
if (search_type != SEARCH_LDAP_MULTIPLE && rescount > 1)
{
*errmsg = string_sprintf("LDAP search: more than one entry (%d) was returned "
"(filter not specific enough?)", rescount);
goto RETURN_ERROR_BREAK;
}
/* Check if we have too few (zero) entries */
if (rescount < 1)
{
*errmsg = string_sprintf("LDAP search: no results");
error_yield = FAIL;
goto RETURN_ERROR_BREAK;
}
/* If an entry was found, but it had no attributes, we behave as if no entries
were found, that is, the lookup failed. */
if (!attribute_found)
{
*errmsg = US"LDAP search: found no attributes";
error_yield = FAIL;
goto RETURN_ERROR;
}
/* Otherwise, it's all worked */
DEBUG(D_lookup) debug_printf("LDAP search: returning: %s\n", data);
*res = data;
RETURN_OK:
if (result != NULL) ldap_msgfree(result);
ldap_free_urldesc(ludp);
return OK;
/* Error returns */
RETURN_ERROR_BREAK:
*defer_break = TRUE;
RETURN_ERROR:
DEBUG(D_lookup) debug_printf("%s\n", *errmsg);
RETURN_ERROR_NOMSG:
if (result != NULL) ldap_msgfree(result);
if (ludp != NULL) ldap_free_urldesc(ludp);
#if defined LDAP_LIB_OPENLDAP2
if (error2 != NULL) ldap_memfree(error2);
if (matched != NULL) ldap_memfree(matched);
#endif
return error_yield;
}
// if getP is true, we get the attributes by recursing once
// (without getP set) in order to fill in *attrCount, then allocate
// and fill in the *aAttributes.
//
// if getP is false, just fill in *attrCount and return
//
nsresult
nsLDAPMessage::IterateAttributes(PRUint32 *aAttrCount, char** *aAttributes,
bool getP)
{
BerElement *position;
nsresult rv;
if (!aAttrCount || !aAttributes ) {
return NS_ERROR_INVALID_POINTER;
}
// if we've been called from GetAttributes, recurse once in order to
// count the elements in this message.
//
if (getP) {
*aAttributes = 0;
*aAttrCount = 0;
rv = IterateAttributes(aAttrCount, aAttributes, false);
if (NS_FAILED(rv))
return rv;
// create an array of the appropriate size
//
*aAttributes = static_cast<char **>(nsMemory::Alloc(*aAttrCount *
sizeof(char *)));
if (!*aAttributes) {
return NS_ERROR_OUT_OF_MEMORY;
}
}
// get the first attribute
//
char *attr = ldap_first_attribute(mConnectionHandle,
mMsgHandle,
&position);
if (!attr) {
return IterateAttrErrHandler(ldap_get_lderrno(mConnectionHandle, 0, 0),
aAttrCount, aAttributes, position);
}
// if we're getting attributes, try and fill in the first field
//
if (getP) {
(*aAttributes)[0] = nsCRT::strdup(attr);
if (!(*aAttributes)[0]) {
ldap_memfree(attr);
nsMemory::Free(*aAttributes);
return NS_ERROR_OUT_OF_MEMORY;
}
// note that we start counting again, in order to keep our place in
// the array so that we can unwind gracefully and avoid leakage if
// we hit an error as we're filling in the array
//
*aAttrCount = 1;
} else {
// otherwise just update the count
//
*aAttrCount = 1;
}
ldap_memfree(attr);
while (1) {
// get the next attribute
//
attr = ldap_next_attribute(mConnectionHandle, mMsgHandle, position);
// check to see if there is an error, or if we're just done iterating
//
if (!attr) {
// bail out if there's an error
//
PRInt32 lderrno = ldap_get_lderrno(mConnectionHandle, 0, 0);
if (lderrno != LDAP_SUCCESS) {
return IterateAttrErrHandler(lderrno, aAttrCount, aAttributes,
position);
}
// otherwise, there are no more attributes; we're done with
// the while loop
//
break;
} else if (getP) {
// if ldap_next_attribute did return successfully, and
// we're supposed to fill in a value, do so.
//
(*aAttributes)[*aAttrCount] = nsCRT::strdup(attr);
if (!(*aAttributes)[*aAttrCount]) {
ldap_memfree(attr);
return IterateAttrErrHandler(LDAP_NO_MEMORY, aAttrCount,
aAttributes, position);
}
}
ldap_memfree(attr);
// we're done using *aAttrCount as a c-style array index (ie starting
// at 0). update it to reflect the number of elements now in the array
//
*aAttrCount += 1;
}
// free the position pointer, if necessary
//
if (position) {
ldap_ber_free(position, 0);
}
return NS_OK;
}
static isc_result_t
ldapdb_search(const char *zone, const char *name, void *dbdata, void *retdata,
void *methods, void *clientinfo)
#endif /* DNS_CLIENTINFO_VERSION */
{
struct ldapdb_data *data = dbdata;
isc_result_t result = ISC_R_NOTFOUND;
LDAP **ldp;
LDAPMessage *res, *e;
char *fltr, *a, **vals = NULL, **names = NULL;
char type[64];
#ifdef LDAPDB_RFC1823API
void *ptr;
#else
BerElement *ptr;
#endif
int i, j, errno, msgid;
UNUSED(methods);
UNUSED(clientinfo);
ldp = ldapdb_getconn(data);
if (ldp == NULL)
return (ISC_R_FAILURE);
if (*ldp == NULL) {
ldapdb_bind(data, ldp);
if (*ldp == NULL) {
isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_SERVER, ISC_LOG_ERROR,
"LDAP sdb zone '%s': bind failed", zone);
return (ISC_R_FAILURE);
}
}
if (name == NULL) {
fltr = data->filterall;
} else {
if (strlen(name) > MAXNAMELEN) {
isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_SERVER, ISC_LOG_ERROR,
"LDAP sdb zone '%s': name %s too long", zone, name);
return (ISC_R_FAILURE);
}
sprintf(data->filtername, "%s))", name);
fltr = data->filterone;
}
msgid = ldap_search(*ldp, data->base, LDAP_SCOPE_SUBTREE, fltr, NULL, 0);
if (msgid == -1) {
ldapdb_bind(data, ldp);
if (*ldp != NULL)
msgid = ldap_search(*ldp, data->base, LDAP_SCOPE_SUBTREE, fltr, NULL, 0);
}
if (*ldp == NULL || msgid == -1) {
isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_SERVER, ISC_LOG_ERROR,
"LDAP sdb zone '%s': search failed, filter %s", zone, fltr);
return (ISC_R_FAILURE);
}
/* Get the records one by one as they arrive and return them to bind */
while ((errno = ldap_result(*ldp, msgid, 0, NULL, &res)) != LDAP_RES_SEARCH_RESULT ) {
LDAP *ld = *ldp;
int ttl = data->defaultttl;
/* not supporting continuation references at present */
if (errno != LDAP_RES_SEARCH_ENTRY) {
isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_SERVER, ISC_LOG_ERROR,
"LDAP sdb zone '%s': ldap_result returned %d", zone, errno);
ldap_msgfree(res);
return (ISC_R_FAILURE);
}
/* only one entry per result message */
e = ldap_first_entry(ld, res);
if (e == NULL) {
ldap_msgfree(res);
isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_SERVER, ISC_LOG_ERROR,
"LDAP sdb zone '%s': ldap_first_entry failed", zone);
return (ISC_R_FAILURE);
}
if (name == NULL) {
names = ldap_get_values(ld, e, "relativeDomainName");
if (names == NULL)
continue;
}
vals = ldap_get_values(ld, e, "dNSTTL");
if (vals != NULL) {
ttl = atoi(vals[0]);
ldap_value_free(vals);
}
for (a = ldap_first_attribute(ld, e, &ptr); a != NULL; a = ldap_next_attribute(ld, e, ptr)) {
char *s;
for (s = a; *s; s++)
*s = toupper(*s);
s = strstr(a, "RECORD");
if ((s == NULL) || (s == a) || (s - a >= (signed int)sizeof(type))) {
#ifndef LDAPDB_RFC1823API
ldap_memfree(a);
#endif
continue;
}
strncpy(type, a, s - a);
type[s - a] = '\0';
vals = ldap_get_values(ld, e, a);
if (vals != NULL) {
for (i = 0; vals[i] != NULL; i++) {
if (name != NULL) {
result = dns_sdb_putrr(retdata, type, ttl, vals[i]);
} else {
for (j = 0; names[j] != NULL; j++) {
result = dns_sdb_putnamedrr(retdata, names[j], type, ttl, vals[i]);
if (result != ISC_R_SUCCESS)
break;
}
}
; if (result != ISC_R_SUCCESS) {
isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_SERVER, ISC_LOG_ERROR,
"LDAP sdb zone '%s': dns_sdb_put... failed for %s", zone, vals[i]);
ldap_value_free(vals);
#ifndef LDAPDB_RFC1823API
ldap_memfree(a);
if (ptr != NULL)
ber_free(ptr, 0);
#endif
if (name == NULL)
ldap_value_free(names);
ldap_msgfree(res);
return (ISC_R_FAILURE);
}
}
ldap_value_free(vals);
}
#ifndef LDAPDB_RFC1823API
ldap_memfree(a);
#endif
}
#ifndef LDAPDB_RFC1823API
if (ptr != NULL)
ber_free(ptr, 0);
#endif
if (name == NULL)
ldap_value_free(names);
/* free this result */
ldap_msgfree(res);
}
/* free final result */
ldap_msgfree(res);
return (result);
}
int probe_main(probe_ctx *ctx, void *mutex)
{
LDAP *ldp;
LDAPMessage *ldpres, *entry;
SEXP_t *se_ldap_behaviors = NULL, *se_relative_dn = NULL;
SEXP_t *se_suffix = NULL, *se_attribute = NULL;
SEXP_t *sa_scope, *sv_op;
SEXP_t *item;
SEXP_t *probe_in;
char *relative_dn = NULL;
char *suffix = NULL, *xattribute = NULL;
char *uri_list, *uri, *uri_save, *attr;
int scope;
char base[2048];
char *attrs[3];
bool a_pattern_match = false, rdn_pattern_match = false;
/* runtime */
#if defined(PROBE_LDAP_MUTEX)
assume_r(mutex != NULL, PROBE_EINIT);
#endif
probe_in = probe_ctx_getobject(ctx);
se_ldap_behaviors = probe_obj_getent(probe_in, "behaviors", 1);
if (se_ldap_behaviors != NULL) {
sa_scope = probe_ent_getattrval(se_ldap_behaviors, "scope");
SEXP_free(se_ldap_behaviors);
if (sa_scope == NULL) {
dE("Atrribute `scope' is missing!");
return (PROBE_ENOATTR);
}
if (!SEXP_stringp(sa_scope)) {
dE("Invalid value type of the `scope' attribute.");
SEXP_free(sa_scope);
return (PROBE_EINVAL);
}
if (SEXP_strcmp(sa_scope, "ONE") == 0)
scope = LDAP_SCOPE_ONELEVEL;
else if (SEXP_strcmp(sa_scope, "BASE") == 0)
scope = LDAP_SCOPE_BASE;
else if (SEXP_strcmp(sa_scope, "SUBTREE") == 0)
scope = LDAP_SCOPE_SUBTREE;
else {
dE("Invalid value of the `scope' attribute.");
SEXP_free(sa_scope);
return (PROBE_EINVAL);
}
SEXP_free(sa_scope);
} else
scope = LDAP_SCOPE_BASE;
#define get_string(dst, se_dst, obj, ent_name) \
do { \
SEXP_t *__sval; \
\
__sval = probe_obj_getentval (obj, ent_name, 1); \
\
if (__sval != NULL) { \
(dst) = SEXP_string_cstr (__sval); \
\
if ((dst) == NULL) { \
SEXP_free(__sval); \
return (PROBE_EINVAL); \
} \
\
(se_dst) = __sval; \
} else { \
return (PROBE_ENOATTR); \
} \
} while (0)
get_string(suffix, se_suffix, probe_in, "suffix");
get_string(relative_dn, se_relative_dn, probe_in, "relative_dn");
get_string(xattribute, se_attribute, probe_in, "attribute");
if ((sv_op = probe_ent_getattrval(se_relative_dn, "operation")) != NULL) {
if (SEXP_number_geti_32(sv_op) == OVAL_OPERATION_PATTERN_MATCH)
rdn_pattern_match = true;
SEXP_free(sv_op);
}
if ((sv_op = probe_ent_getattrval(se_attribute, "operation")) != NULL) {
if (SEXP_number_geti_32(sv_op) == OVAL_OPERATION_PATTERN_MATCH)
a_pattern_match = true;
SEXP_free(sv_op);
}
/*
* Construct the attribute array for ldap_search_*
*
* nil -> "1.1"
* .* -> "*"
* "foo" -> "foo"
*/
attrs[0] = "objectClass";
if (xattribute == NULL)
attrs[1] = strdup("1.1"); /* no attibutes */
else if (a_pattern_match)
attrs[1] = strdup("*"); /* collect all, we'll filter them afterwards */
else
attrs[1] = xattribute; /* no pattern match, use the string directly */
attrs[2] = NULL;
/*
* Construct `base'
*/
assume_r(((relative_dn ? strlen(relative_dn) : 0) +
( suffix ? strlen(suffix) : 0) + 2) < (sizeof base/sizeof(char)),
PROBE_ERANGE);
if (relative_dn != NULL) {
strcpy(base, relative_dn);
strcat(base, ",");
strcat(base, suffix);
} else
strcpy(base, suffix);
/*
* Get URIs
*/
if (ldap_get_option(NULL, LDAP_OPT_URI, &uri_list) != LDAP_OPT_SUCCESS) {
item = probe_item_creat("ldap57_item", NULL, NULL);
probe_item_setstatus(item, SYSCHAR_STATUS_ERROR);
probe_item_collect(ctx, item);
dE("ldap_get_option failed");
goto fail0;
}
/*
* Query each URI
*/
for (;;) {
char *entry_dn = NULL;
if ((uri = strtok_r(uri_list, " ,", &uri_save)) == NULL)
break;
ldp = NULL;
if (ldap_initialize(&ldp, uri) != LDAP_SUCCESS)
continue;
if (ldap_search_ext_s(ldp, base, scope, NULL, attrs, 0,
NULL /* serverctrls */,
NULL /* clientctrls */,
NULL /* timeout */,
0, &ldpres) != LDAP_SUCCESS)
{
item = probe_item_creat("ldap57_item", NULL, NULL);
probe_item_setstatus(item, SYSCHAR_STATUS_ERROR);
probe_item_collect(ctx, item);
dE("ldap_search_ext_s failed");
goto fail0;
}
entry = ldap_first_entry(ldp, ldpres);
entry_dn = ldap_get_dn(ldp, entry);
while (entry != NULL) {
BerElement *berelm = NULL;
attr = ldap_first_attribute(ldp, entry, &berelm);
/* XXX: pattern match filter */
while (attr != NULL) {
SEXP_t *se_value = NULL;
ber_tag_t bertag = LBER_DEFAULT;
ber_len_t berlen = 0;
Sockbuf *berbuf = NULL;
SEXP_t se_tmp_mem;
berbuf = ber_sockbuf_alloc();
/*
* Prepare the value (record) entity. Collect only
* primitive (i.e. simple) types.
*/
se_value = probe_ent_creat1("value", NULL, NULL);
probe_ent_setdatatype(se_value, OVAL_DATATYPE_RECORD);
/*
* XXX: does ber_get_next() return LBER_ERROR after the last value?
*/
while ((bertag = ber_get_next(berbuf, &berlen, berelm)) != LBER_ERROR) {
SEXP_t *field = NULL;
oval_datatype_t field_type = OVAL_DATATYPE_UNKNOWN;
switch(bertag & LBER_ENCODING_MASK) {
case LBER_PRIMITIVE:
dI("Found primitive value, bertag = %u", bertag);
break;
case LBER_CONSTRUCTED:
dW("Don't know how to handle LBER_CONSTRUCTED values");
/* FALLTHROUGH */
default:
dW("Skipping attribute value, bertag = %u", bertag);
continue;
}
assume_d(bertag & LBER_PRIMITIVE, NULL);
switch(bertag & LBER_BIG_TAG_MASK) {
case LBER_BOOLEAN:
{ /* LDAPTYPE_BOOLEAN */
ber_int_t val = -1;
if (ber_get_boolean(berelm, &val) == LBER_ERROR) {
dW("ber_get_boolean: LBER_ERROR");
/* XXX: set error status on field */
continue;
}
assume_d(val != -1, NULL);
field = probe_ent_creat1("field", NULL, SEXP_number_newb_r(&se_tmp_mem, (bool)val));
field_type = OVAL_DATATYPE_BOOLEAN;
SEXP_free_r(&se_tmp_mem);
} break;
case LBER_INTEGER:
{ /* LDAPTYPE_INTEGER */
ber_int_t val = -1;
if (ber_get_int(berelm, &val) == LBER_ERROR) {
dW("ber_get_int: LBER_ERROR");
/* XXX: set error status on field */
continue;
}
field = probe_ent_creat1("field", NULL, SEXP_number_newi_r(&se_tmp_mem, (int)val));
field_type = OVAL_DATATYPE_INTEGER;
SEXP_free_r(&se_tmp_mem);
} break;
case LBER_BITSTRING:
/* LDAPTYPE_BIT_STRING */
dW("LBER_BITSTRING: not implemented");
continue;
case LBER_OCTETSTRING:
{ /*
* LDAPTYPE_PRINTABLE_STRING
* LDAPTYPE_NUMERIC_STRING
* LDAPTYPE_DN_STRING
* LDAPTYPE_BINARY (?)
*/
char *val = NULL;
if (ber_get_stringa(berelm, &val) == LBER_ERROR) {
dW("ber_get_stringa: LBER_ERROR");
/* XXX: set error status on field */
continue;
}
assume_d(val != NULL, NULL);
field = probe_ent_creat1("field", NULL, SEXP_string_new_r(&se_tmp_mem, val, strlen(val)));
field_type = OVAL_DATATYPE_STRING;
SEXP_free_r(&se_tmp_mem);
ber_memfree(val);
} break;
case LBER_NULL:
/* XXX: no equivalent LDAPTYPE_? or empty */
dI("LBER_NULL: skipped");
continue;
case LBER_ENUMERATED:
/* XXX: no equivalent LDAPTYPE_? */
dW("Don't know how to handle LBER_ENUMERATED type");
continue;
default:
dW("Unknown attribute value type, bertag = %u", bertag);
continue;
}
if (field != NULL) {
assume_d(field_type != OVAL_DATATYPE_UNKNOWN, NULL);
probe_ent_setdatatype(field, field_type);
probe_ent_attr_add(field, "name", SEXP_string_new_r(&se_tmp_mem, attr, strlen(attr)));
SEXP_list_add(se_value, field);
SEXP_free_r(&se_tmp_mem);
SEXP_free(field);
}
}
ber_sockbuf_free(berbuf);
/*
* Create the item
*/
item = probe_item_create(OVAL_INDEPENDENT_LDAP57, NULL,
"suffix", OVAL_DATATYPE_STRING, suffix,
"relative_dn", OVAL_DATATYPE_STRING, relative_dn, /* XXX: pattern match */
"attribute", OVAL_DATATYPE_STRING, attr,
"object_class", OVAL_DATATYPE_STRING, "",
"ldaptype", OVAL_DATATYPE_STRING, "",
NULL);
SEXP_list_add(item, se_value);
SEXP_free(se_value);
probe_item_collect(ctx, item);
attr = ldap_next_attribute(ldp, entry, berelm);
}
ber_free(berelm, 0);
ldap_memfree(entry_dn);
entry = ldap_next_entry(ldp, entry);
entry_dn = ldap_get_dn(ldp, entry);
}
/*
* Close the LDAP connection and free resources
*/
ldap_unbind_ext_s(ldp, NULL, NULL);
}
ldap_memfree(uri_list);
fail0:
SEXP_free(se_suffix);
SEXP_free(se_relative_dn);
SEXP_free(se_attribute);
free(suffix);
free(relative_dn);
free(attrs[1]); /* attribute */
return (0);
}
/*
* Function called during initialization phase => no need to use the GdaWorker object
*
* Using @url and @username, performs the following tasks:
* - bind to the LDAP server anonymously
* - search the directory to identify the entry for the provided user name,
* filter: (&(uid=##uid)(objectclass=inetOrgPerson))
* - if one and only one entry is returned, get the DN of the entry and check that the UID is correct
*
* If all the steps are right, it returns the DN of the identified entry as a new string.
*/
static gchar *
fetch_user_dn (const gchar *url, const gchar *base, const gchar *username, LdapAuthMapping *mapping)
{
LDAP *ld;
int res;
int version = LDAP_VERSION3;
gchar *dn = NULL;
LDAPMessage *msg = NULL;
if (! username)
return NULL;
res = ldap_initialize (&ld, url);
if (res != LDAP_SUCCESS)
return NULL;
res = ldap_set_option (ld, LDAP_OPT_PROTOCOL_VERSION, &version);
if (res != LDAP_SUCCESS) {
if (res == LDAP_PROTOCOL_ERROR) {
version = LDAP_VERSION2;
res = ldap_set_option (ld, LDAP_OPT_PROTOCOL_VERSION, &version);
}
if (res != LDAP_SUCCESS)
goto out;
}
struct berval cred;
memset (&cred, 0, sizeof (cred));
res = ldap_sasl_bind_s (ld, NULL, NULL, &cred, NULL, NULL, NULL);
if (res != LDAP_SUCCESS)
goto out;
gchar *filter;
gchar *attributes[] = {NULL, NULL};
attributes[0] = mapping->attribute;
filter = g_strdup_printf (mapping->filter_format, username);
res = ldap_search_ext_s (ld, base, LDAP_SCOPE_SUBTREE,
filter, attributes, 0,
NULL, NULL, NULL, 2, &msg);
g_free (filter);
if (res != LDAP_SUCCESS)
goto out;
LDAPMessage *ldap_row;
for (ldap_row = ldap_first_entry (ld, msg);
ldap_row;
ldap_row = ldap_next_entry (ld, ldap_row)) {
char *attr, *uid;
attr = ldap_get_dn (ld, ldap_row);
if (attr) {
BerElement* ber;
for (uid = ldap_first_attribute (ld, ldap_row, &ber);
uid;
uid = ldap_next_attribute (ld, ldap_row, ber)) {
BerValue **bvals;
bvals = ldap_get_values_len (ld, ldap_row, uid);
if (!bvals || !bvals[0] || bvals[1] || strcmp (bvals[0]->bv_val, username)) {
g_free (dn);
dn = NULL;
}
ldap_value_free_len (bvals);
ldap_memfree (uid);
}
if (dn) {
/* more than 1 entry => unique DN could not be identified */
g_free (dn);
dn = NULL;
goto out;
}
dn = g_strdup (attr);
ldap_memfree (attr);
}
}
out:
if (msg)
ldap_msgfree (msg);
ldap_unbind_ext (ld, NULL, NULL);
/*g_print ("Identified DN: [%s]\n", dn);*/
return dn;
}
/*
* dict_ldap_get_values: for each entry returned by a search, get the values
* of all its attributes. Recurses to resolve any DN or URL values found.
*
* This and the rest of the handling of multiple attributes, DNs and URLs
* are thanks to LaMont Jones.
*/
static void dict_ldap_get_values(DICT_LDAP *dict_ldap, LDAPMessage * res,
VSTRING *result)
{
static int recursion = 0;
static int expansion;
long entries = 0;
long i = 0;
int rc = 0;
LDAPMessage *resloop = 0;
LDAPMessage *entry = 0;
BerElement *ber;
char **vals;
char *attr;
char *myname = "dict_ldap_get_values";
struct timeval tv;
LDAPURLDesc *url;
tv.tv_sec = dict_ldap->timeout;
tv.tv_usec = 0;
if (++recursion == 1)
expansion = 0;
if (msg_verbose)
msg_info("%s[%d]: Search found %d match(es)", myname, recursion,
ldap_count_entries(dict_ldap->ld, res));
for (entry = ldap_first_entry(dict_ldap->ld, res); entry != NULL;
entry = ldap_next_entry(dict_ldap->ld, entry)) {
ber = NULL;
/*
* LDAP should not, but may produce more than the requested maximum
* number of entries.
*/
if (dict_errno == 0 && ++entries > dict_ldap->size_limit
&& dict_ldap->size_limit) {
msg_warn("%s[%d]: %s: Query size limit (%ld) exceeded", myname,
recursion, dict_ldap->ldapsource, dict_ldap->size_limit);
dict_errno = DICT_ERR_RETRY;
}
for (attr = ldap_first_attribute(dict_ldap->ld, entry, &ber);
attr != NULL;
ldap_memfree(attr), attr = ldap_next_attribute(dict_ldap->ld,
entry, ber)) {
vals = ldap_get_values(dict_ldap->ld, entry, attr);
if (vals == NULL) {
if (msg_verbose)
msg_info("%s[%d]: Entry doesn't have any values for %s",
myname, recursion, attr);
continue;
}
/*
* If we previously encountered an error, we still continue
* through the loop, to avoid memory leaks, but we don't waste
* time accumulating any further results.
*
* XXX: There may be a more efficient way to exit the loop with no
* leaks, but it will likely be more fragile and not worth the
* extra code.
*/
if (dict_errno != 0 || vals[0] == 0) {
ldap_value_free(vals);
continue;
}
/*
* The "result_attributes" list enumerates all the requested
* attributes, first the ordinary result attribtutes and then the
* special result attributes that hold DN or LDAP URL values.
*
* The number of ordinary attributes is "num_attributes".
*
* We compute the attribute type (ordinary or special) from its
* index on the "result_attributes" list.
*/
for (i = 0; dict_ldap->result_attributes->argv[i]; i++) {
if (strcasecmp(dict_ldap->result_attributes->argv[i], attr) == 0)
break;
}
/*
* Append each returned address to the result list, possibly
* recursing (for dn or url attributes).
*/
if (i < dict_ldap->num_attributes) {
/* Ordinary result attribute */
for (i = 0; vals[i] != NULL; i++) {
if (++expansion > dict_ldap->expansion_limit &&
dict_ldap->expansion_limit) {
msg_warn("%s[%d]: %s: Expansion limit exceeded at"
" result attribute %s=%s", myname, recursion,
dict_ldap->ldapsource, attr, vals[i]);
dict_errno = DICT_ERR_RETRY;
break;
}
if (VSTRING_LEN(result) > 0)
vstring_strcat(result, ",");
if (dict_ldap->result_filter == NULL)
vstring_strcat(result, vals[i]);
else
dict_ldap_expand_filter(dict_ldap->ldapsource,
dict_ldap->result_filter,
vals[i], result);
}
if (dict_errno != 0)
continue;
if (msg_verbose)
msg_info("%s[%d]: search returned %ld value(s) for"
" requested result attribute %s",
myname, recursion, i, attr);
} else if (recursion < dict_ldap->recursion_limit
&& dict_ldap->result_attributes->argv[i]) {
/* Special result attribute */
for (i = 0; vals[i] != NULL; i++) {
if (ldap_is_ldap_url(vals[i])) {
if (msg_verbose)
msg_info("%s[%d]: looking up URL %s", myname,
recursion, vals[i]);
rc = ldap_url_parse(vals[i], &url);
if (rc == 0) {
rc = ldap_search_st(dict_ldap->ld, url->lud_dn,
url->lud_scope, url->lud_filter,
url->lud_attrs, 0, &tv,
&resloop);
ldap_free_urldesc(url);
}
} else {
if (msg_verbose)
msg_info("%s[%d]: looking up DN %s",
myname, recursion, vals[i]);
rc = ldap_search_st(dict_ldap->ld, vals[i],
LDAP_SCOPE_BASE, "objectclass=*",
dict_ldap->result_attributes->argv,
0, &tv, &resloop);
}
switch (rc) {
case LDAP_SUCCESS:
dict_ldap_get_values(dict_ldap, resloop, result);
break;
case LDAP_NO_SUCH_OBJECT:
/*
* Go ahead and treat this as though the DN existed
* and just didn't have any result attributes.
*/
msg_warn("%s[%d]: DN %s not found, skipping ", myname,
recursion, vals[i]);
break;
default:
msg_warn("%s[%d]: search error %d: %s ", myname,
recursion, rc, ldap_err2string(rc));
dict_errno = DICT_ERR_RETRY;
break;
}
if (resloop != 0)
ldap_msgfree(resloop);
if (dict_errno != 0)
break;
}
if (dict_errno != 0)
continue;
if (msg_verbose)
msg_info("%s[%d]: search returned %ld value(s) for"
" special result attribute %s",
myname, recursion, i, attr);
} else if (recursion >= dict_ldap->recursion_limit
&& dict_ldap->result_attributes->argv[i]) {
msg_warn("%s[%d]: %s: Recursion limit exceeded"
" for special attribute %s=%s",
myname, recursion, dict_ldap->ldapsource, attr, vals[0]);
dict_errno = DICT_ERR_RETRY;
}
ldap_value_free(vals);
}
if (ber)
ber_free(ber, 0);
}
if (msg_verbose)
msg_info("%s[%d]: Leaving %s", myname, recursion, myname);
--recursion;
}
/**
* Process a single search entry.
* \param cache Address cache to load.
* \param qry Query object to process.
* \param ld LDAP handle.
* \param e LDAP message.
* \return List of EMail objects found.
*/
static GList *ldapqry_process_single_entry(
AddressCache *cache, LdapQuery *qry, LDAP *ld, LDAPMessage *e )
{
char *dnEntry;
char *attribute;
LdapControl *ctl;
BerElement *ber;
GSList *listName = NULL, *listAddress = NULL;
GSList *listFirst = NULL, *listLast = NULL;
GSList *listDisplay = NULL;
GSList *other_attrs = NULL;
GList *listReturn;
listReturn = NULL;
ctl = qry->control;
dnEntry = ldap_get_dn( ld, e );
debug_print( "DN: %s\n", dnEntry?dnEntry:"null" );
/* Process all attributes */
for( attribute = ldap_first_attribute( ld, e, &ber ); attribute != NULL;
attribute = ldap_next_attribute( ld, e, ber ) ) {
if( strcasecmp( attribute, ctl->attribEMail ) == 0 ) {
listAddress = ldapqry_add_list_values( ld, e, attribute );
}
else if( strcasecmp( attribute, ctl->attribCName ) == 0 ) {
listName = ldapqry_add_list_values( ld, e, attribute );
}
else if( strcasecmp( attribute, ctl->attribFName ) == 0 ) {
listFirst = ldapqry_add_list_values( ld, e, attribute );
}
else if( strcasecmp( attribute, ctl->attribLName ) == 0 ) {
listLast = ldapqry_add_single_value( ld, e, attribute );
} else if( strcasecmp( attribute, ctl->attribDName ) == 0 ) {
listDisplay = ldapqry_add_single_value( ld, e, attribute );
} else {
GSList *attlist = ldapqry_add_single_value( ld, e, attribute );
UserAttribute *attrib = addritem_create_attribute();
const gchar *attvalue = attlist?((gchar *)attlist->data):NULL;
if (attvalue) {
addritem_attrib_set_name( attrib, attribute );
addritem_attrib_set_value( attrib, attvalue );
other_attrs = g_slist_prepend(other_attrs, attrib);
}
mgu_free_list(attlist);
}
/* Free memory used to store attribute */
ldap_memfree( attribute );
}
/* Format and add items to cache */
listReturn = ldapqry_build_items_fl(
cache, qry, dnEntry, listName, listAddress, listFirst, listLast, listDisplay, other_attrs );
/* Free up */
ldapqry_free_lists( listName, listAddress, listFirst, listLast, listDisplay, other_attrs );
listName = listAddress = listFirst = listLast = listDisplay = other_attrs = NULL;
if( ber != NULL ) {
ber_free( ber, 0 );
}
ldap_memfree( dnEntry );
return listReturn;
}
static int
check_auth(LD_session *session, char *login, char *password, char *fullname) {
int rc = 0, count = 0;
char username[MAXFILTERSTR];
char logbuf[MAXLOGBUF];
LDAPMessage *res, *entry;
char *attr;
BerElement * ber;
struct berval **list_of_values;
struct berval value;
char *userdn, *validgroups, *fn;
char filter[MAXFILTERSTR];
/* Check authorization */
memset(filter, 0, 100);
snprintf(filter, MAXLOGBUF, "(&(objectClass=posixGroup)(memberUid=%s))", login);
struct berval cred;
struct berval *msgidp=NULL;
cred.bv_val = password;
cred.bv_len = strlen(password);
#if LDAP_API_VERSION > 3000
if((rc = ldap_sasl_bind_s(session->sess, fullname, ldap_authorization_type, &cred, NULL, NULL, NULL))!=LDAP_SUCCESS) {
snprintf(logbuf, MAXLOGBUF, "Ldap server %s authentificate with method %s failed: %s", ldap_authorization_host, ldap_authorization_type, ldap_err2string(rc));
ldap_log(LOG_DEBUG, logbuf);
return RETURN_FALSE;
};
#else
if((rc = ldap_bind_s(session->sess, fullname, password, LDAP_AUTH_SIMPLE))!=LDAP_SUCCESS) {
snprintf(logbuf, MAXLOGBUF, "Ldap server %s authentificate failed: %s", ldap_authorization_host, ldap_err2string(rc));
ldap_log(LOG_DEBUG, logbuf);
return RETURN_FALSE;
}
#endif
if ((rc = ldap_search_ext_s(session->sess, ldap_authorization_basedn, LDAP_SCOPE_SUBTREE, filter, NULL, 0, NULL, NULL, NULL, LDAP_NO_LIMIT, &res)) != LDAP_SUCCESS) {
#if LDAP_API_VERSION > 3000
ldap_unbind_ext(session->sess, NULL, NULL);
#else
ldap_unbind(session->sess);
#endif
return RETURN_TRUE;
}
for (entry = ldap_first_entry(session->sess,res); entry!=NULL && count<ldap_count_messages(session->sess, res); entry=ldap_next_entry(session->sess, res)) {
count++;
for(attr = ldap_first_attribute(session->sess,entry,&ber); attr != NULL ; attr=ldap_next_attribute(session->sess,entry,ber)) {
snprintf(logbuf, MAXLOGBUF, "Found attribute %s", attr);
ldap_log(LOG_DEBUG, logbuf);
if (strcmp(attr, "cn"))
continue;
if ((list_of_values = ldap_get_values_len(session->sess, entry, attr)) != NULL ) {
value = *list_of_values[0];
char temp[MAXGROUPLIST];
memset(temp, 0, MAXGROUPLIST);
if (ldap_authorization_validgroups) {
strcpy(temp, ldap_authorization_validgroups);
validgroups = strtok(temp, ",");
while (validgroups != NULL)
{
snprintf(logbuf, MAXLOGBUF, "Attribute value validgroups ? value.bv_val >> %s ? %s", validgroups, value.bv_val);
ldap_log(LOG_DEBUG, logbuf);
if (!strcmp(validgroups, value.bv_val))
{
ldap_msgfree(res);
#if LDAP_API_VERSION > 3000
ldap_unbind_ext(session->sess, NULL, NULL);
#else
ldap_unbind(session->sess);
#endif
fn = (char *)malloc(strlen(value.bv_val));
strcpy(fn, value.bv_val);
return RETURN_TRUE;
}
validgroups = strtok (NULL, ",");
}
printf("VAL: %s\n", value.bv_val);
ldap_value_free_len( list_of_values );
}
}
}
res = ldap_next_message(session->sess, res);
};
ldap_msgfree(res);
#if LDAP_API_VERSION > 3000
ldap_unbind_ext(session->sess, NULL, NULL);
#else
ldap_unbind(session->sess);
#endif
return RETURN_FALSE;
}
/*
* This function will look in ldap id the token correspond to the
* requested user. It will returns 0 for failure and 1 for success.
*
* For the moment ldaps is not supported. ldap serve can be on a
* remote host.
*
* You need the following parameters in you pam config:
* ldapserver= OR ldap_uri=
* ldapdn=
* user_attr=
* yubi_attr=
*
*/
static char * authorize_user_token_ldap (const char *ldapserver,
const char *ldap_uri,
const char *ldapdn,
const char *user_attr,
const char *yubi_attr,
const char *user)
{
DEBUG(("called"));
int retval = 0;
#ifdef HAVE_LIBLDAP
LDAP *ld;
LDAPMessage *result, *e;
BerElement *ber;
char *a;
struct berval **vals;
int i, rc;
/* Allocation of memory for search strings depending on input size */
char *find = malloc((strlen(user_attr)+strlen(ldapdn)+strlen(user)+3)*sizeof(char));
char *sr = malloc((strlen(yubi_attr)+4)*sizeof(char));
char sep[2] = ",";
char eq[2] = "=";
char sren[4] = "=*)";
sr[0] = '(';
sr[1] = '\0';
find[0]='\0';
strcat (find, user_attr);
strcat (find, eq);
strcat (find, user);
strcat (find, sep);
strcat (find, ldapdn);
strcat (sr, yubi_attr);
strcat (sr, sren);
DEBUG(("find: %s",find));
DEBUG(("sr: %s",sr));
/* Get a handle to an LDAP connection. */
if (ldap_uri)
{
rc = ldap_initialize (&ld,ldap_uri);
if (rc != LDAP_SUCCESS)
{
DEBUG (("ldap_init: %s", ldap_err2string (rc)));
return NULL;
}
}
else
{
if ((ld = ldap_init (ldapserver, PORT_NUMBER)) == NULL)
{
DEBUG (("ldap_init"));
return NULL;
}
}
/* Bind anonymously to the LDAP server. */
rc = ldap_simple_bind_s (ld, NULL, NULL);
if (rc != LDAP_SUCCESS)
{
DEBUG (("ldap_simple_bind_s: %s", ldap_err2string (rc)));
return NULL;
}
/* Search for the entry. */
DEBUG (("ldap-dn: %s", find));
DEBUG (("ldap-filter: %s", sr));
if ((rc = ldap_search_ext_s (ld, find, LDAP_SCOPE_BASE,
sr, NULL, 0, NULL, NULL, LDAP_NO_LIMIT,
LDAP_NO_LIMIT, &result)) != LDAP_SUCCESS)
{
DEBUG (("ldap_search_ext_s: %s", ldap_err2string (rc)));
return NULL;
}
e = ldap_first_entry (ld, result);
if (e != NULL)
{
/* Iterate through each attribute in the entry. */
for (a = ldap_first_attribute (ld, e, &ber);
a != NULL; a = ldap_next_attribute (ld, e, ber))
{
if ((vals = ldap_get_values_len (ld, e, a)) != NULL)
{
for (i = 0; vals[i] != NULL; i++)
{
return vals[i]->bv_val;
}
ldap_value_free (vals);
}
ldap_memfree (a);
}
if (ber != NULL)
{
ber_free (ber, 0);
}
}
ldap_msgfree (result);
ldap_unbind (ld);
/* free memory allocated for search strings */
free(find);
free(sr);
#else
DEBUG (("Trying to use LDAP, but this function is not compiled in pam_yubico!!"));
DEBUG (("Install libldap-dev and then recompile pam_yubico."));
#endif
return NULL;
}
static void linphone_ldap_contact_provider_handle_search_result( LinphoneLDAPContactProvider* obj, LinphoneLDAPContactSearch* req, LDAPMessage* message )
{
int msgtype = ldap_msgtype(message);
switch(msgtype){
case LDAP_RES_SEARCH_ENTRY:
case LDAP_RES_EXTENDED:
{
LDAPMessage *entry = ldap_first_entry(obj->ld, message);
LinphoneCore* lc = LINPHONE_CONTACT_PROVIDER(obj)->lc;
while( entry != NULL ){
struct LDAPFriendData ldap_data = {0};
bool_t contact_complete = FALSE;
BerElement* ber = NULL;
char* attr = ldap_first_attribute(obj->ld, entry, &ber);
while( attr ){
struct berval** values = ldap_get_values_len(obj->ld, entry, attr);
struct berval** it = values;
while( values && *it && (*it)->bv_val && (*it)->bv_len )
{
contact_complete = linphone_ldap_contact_provider_complete_contact(obj, &ldap_data, attr, (*it)->bv_val);
if( contact_complete ) break;
it++;
}
if( values ) ldap_value_free_len(values);
ldap_memfree(attr);
if( contact_complete ) break;
attr = ldap_next_attribute(obj->ld, entry, ber);
}
if( contact_complete ) {
LinphoneAddress* la = linphone_core_interpret_url(lc, ldap_data.sip);
if( la ){
LinphoneFriend* lf = linphone_core_create_friend(lc);
linphone_friend_set_address(lf, la);
linphone_friend_set_name(lf, ldap_data.name);
req->found_entries = bctbx_list_append(req->found_entries, lf);
req->found_count++;
//ms_message("Added friend %s / %s", ldap_data.name, ldap_data.sip);
ms_free(ldap_data.sip);
ms_free(ldap_data.name);
linphone_address_destroy(la);
}
}
if( ber ) ber_free(ber, 0);
entry = ldap_next_entry(obj->ld, entry);
}
}
break;
case LDAP_RES_SEARCH_RESULT:
{
// this one is received when a request is finished
req->complete = TRUE;
linphone_contact_search_invoke_cb(LINPHONE_CONTACT_SEARCH(req), req->found_entries);
}
break;
default: ms_message("[LDAP] Unhandled message type %x", msgtype); break;
}
}
static CURLcode Curl_ldap(struct connectdata *conn, bool *done)
{
CURLcode status = CURLE_OK;
int rc = 0;
LDAP *server = NULL;
LDAPURLDesc *ludp = NULL;
LDAPMessage *result = NULL;
LDAPMessage *entryIterator;
int num = 0;
struct SessionHandle *data=conn->data;
int ldap_proto = LDAP_VERSION3;
int ldap_ssl = 0;
char *val_b64 = NULL;
size_t val_b64_sz = 0;
curl_off_t dlsize = 0;
#ifdef LDAP_OPT_NETWORK_TIMEOUT
struct timeval ldap_timeout = {10,0}; /* 10 sec connection/search timeout */
#endif
*done = TRUE; /* unconditionally */
infof(data, "LDAP local: LDAP Vendor = %s ; LDAP Version = %d\n",
LDAP_VENDOR_NAME, LDAP_VENDOR_VERSION);
infof(data, "LDAP local: %s\n", data->change.url);
#ifdef HAVE_LDAP_URL_PARSE
rc = ldap_url_parse(data->change.url, &ludp);
#else
rc = _ldap_url_parse(conn, &ludp);
#endif
if(rc != 0) {
failf(data, "LDAP local: %s", ldap_err2string(rc));
status = CURLE_LDAP_INVALID_URL;
goto quit;
}
/* Get the URL scheme ( either ldap or ldaps ) */
if(conn->given->flags & PROTOPT_SSL)
ldap_ssl = 1;
infof(data, "LDAP local: trying to establish %s connection\n",
ldap_ssl ? "encrypted" : "cleartext");
#ifdef LDAP_OPT_NETWORK_TIMEOUT
ldap_set_option(NULL, LDAP_OPT_NETWORK_TIMEOUT, &ldap_timeout);
#endif
ldap_set_option(NULL, LDAP_OPT_PROTOCOL_VERSION, &ldap_proto);
if(ldap_ssl) {
#ifdef HAVE_LDAP_SSL
#ifdef CURL_LDAP_WIN
/* Win32 LDAP SDK doesn't support insecure mode without CA! */
server = ldap_sslinit(conn->host.name, (int)conn->port, 1);
ldap_set_option(server, LDAP_OPT_SSL, LDAP_OPT_ON);
#else
int ldap_option;
char* ldap_ca = data->set.str[STRING_SSL_CAFILE];
#if defined(CURL_HAS_NOVELL_LDAPSDK)
rc = ldapssl_client_init(NULL, NULL);
if(rc != LDAP_SUCCESS) {
failf(data, "LDAP local: ldapssl_client_init %s", ldap_err2string(rc));
status = CURLE_SSL_CERTPROBLEM;
goto quit;
}
if(data->set.ssl.verifypeer) {
/* Novell SDK supports DER or BASE64 files. */
int cert_type = LDAPSSL_CERT_FILETYPE_B64;
if((data->set.str[STRING_CERT_TYPE]) &&
(Curl_raw_equal(data->set.str[STRING_CERT_TYPE], "DER")))
cert_type = LDAPSSL_CERT_FILETYPE_DER;
if(!ldap_ca) {
failf(data, "LDAP local: ERROR %s CA cert not set!",
(cert_type == LDAPSSL_CERT_FILETYPE_DER ? "DER" : "PEM"));
status = CURLE_SSL_CERTPROBLEM;
goto quit;
}
infof(data, "LDAP local: using %s CA cert '%s'\n",
(cert_type == LDAPSSL_CERT_FILETYPE_DER ? "DER" : "PEM"),
ldap_ca);
rc = ldapssl_add_trusted_cert(ldap_ca, cert_type);
if(rc != LDAP_SUCCESS) {
failf(data, "LDAP local: ERROR setting %s CA cert: %s",
(cert_type == LDAPSSL_CERT_FILETYPE_DER ? "DER" : "PEM"),
ldap_err2string(rc));
status = CURLE_SSL_CERTPROBLEM;
goto quit;
}
ldap_option = LDAPSSL_VERIFY_SERVER;
}
else
ldap_option = LDAPSSL_VERIFY_NONE;
rc = ldapssl_set_verify_mode(ldap_option);
if(rc != LDAP_SUCCESS) {
failf(data, "LDAP local: ERROR setting cert verify mode: %s",
ldap_err2string(rc));
status = CURLE_SSL_CERTPROBLEM;
goto quit;
}
server = ldapssl_init(conn->host.name, (int)conn->port, 1);
if(server == NULL) {
failf(data, "LDAP local: Cannot connect to %s:%ld",
conn->host.name, conn->port);
status = CURLE_COULDNT_CONNECT;
goto quit;
}
#elif defined(LDAP_OPT_X_TLS)
if(data->set.ssl.verifypeer) {
/* OpenLDAP SDK supports BASE64 files. */
if((data->set.str[STRING_CERT_TYPE]) &&
(!Curl_raw_equal(data->set.str[STRING_CERT_TYPE], "PEM"))) {
failf(data, "LDAP local: ERROR OpenLDAP only supports PEM cert-type!");
status = CURLE_SSL_CERTPROBLEM;
goto quit;
}
if(!ldap_ca) {
failf(data, "LDAP local: ERROR PEM CA cert not set!");
status = CURLE_SSL_CERTPROBLEM;
goto quit;
}
infof(data, "LDAP local: using PEM CA cert: %s\n", ldap_ca);
rc = ldap_set_option(NULL, LDAP_OPT_X_TLS_CACERTFILE, ldap_ca);
if(rc != LDAP_SUCCESS) {
failf(data, "LDAP local: ERROR setting PEM CA cert: %s",
ldap_err2string(rc));
status = CURLE_SSL_CERTPROBLEM;
goto quit;
}
ldap_option = LDAP_OPT_X_TLS_DEMAND;
}
else
ldap_option = LDAP_OPT_X_TLS_NEVER;
rc = ldap_set_option(NULL, LDAP_OPT_X_TLS_REQUIRE_CERT, &ldap_option);
if(rc != LDAP_SUCCESS) {
failf(data, "LDAP local: ERROR setting cert verify mode: %s",
ldap_err2string(rc));
status = CURLE_SSL_CERTPROBLEM;
goto quit;
}
server = ldap_init(conn->host.name, (int)conn->port);
if(server == NULL) {
failf(data, "LDAP local: Cannot connect to %s:%ld",
conn->host.name, conn->port);
status = CURLE_COULDNT_CONNECT;
goto quit;
}
ldap_option = LDAP_OPT_X_TLS_HARD;
rc = ldap_set_option(server, LDAP_OPT_X_TLS, &ldap_option);
if(rc != LDAP_SUCCESS) {
failf(data, "LDAP local: ERROR setting SSL/TLS mode: %s",
ldap_err2string(rc));
status = CURLE_SSL_CERTPROBLEM;
goto quit;
}
/*
rc = ldap_start_tls_s(server, NULL, NULL);
if(rc != LDAP_SUCCESS) {
failf(data, "LDAP local: ERROR starting SSL/TLS mode: %s",
ldap_err2string(rc));
status = CURLE_SSL_CERTPROBLEM;
goto quit;
}
*/
#else
/* we should probably never come up to here since configure
should check in first place if we can support LDAP SSL/TLS */
failf(data, "LDAP local: SSL/TLS not supported with this version "
"of the OpenLDAP toolkit\n");
status = CURLE_SSL_CERTPROBLEM;
goto quit;
#endif
#endif
#endif /* CURL_LDAP_USE_SSL */
}
else {
server = ldap_init(conn->host.name, (int)conn->port);
if(server == NULL) {
failf(data, "LDAP local: Cannot connect to %s:%ld",
conn->host.name, conn->port);
status = CURLE_COULDNT_CONNECT;
goto quit;
}
}
#ifdef CURL_LDAP_WIN
ldap_set_option(server, LDAP_OPT_PROTOCOL_VERSION, &ldap_proto);
#endif
rc = ldap_simple_bind_s(server,
conn->bits.user_passwd ? conn->user : NULL,
conn->bits.user_passwd ? conn->passwd : NULL);
if(!ldap_ssl && rc != 0) {
ldap_proto = LDAP_VERSION2;
ldap_set_option(server, LDAP_OPT_PROTOCOL_VERSION, &ldap_proto);
rc = ldap_simple_bind_s(server,
conn->bits.user_passwd ? conn->user : NULL,
conn->bits.user_passwd ? conn->passwd : NULL);
}
if(rc != 0) {
failf(data, "LDAP local: ldap_simple_bind_s %s", ldap_err2string(rc));
status = CURLE_LDAP_CANNOT_BIND;
goto quit;
}
rc = ldap_search_s(server, ludp->lud_dn, ludp->lud_scope,
ludp->lud_filter, ludp->lud_attrs, 0, &result);
if(rc != 0 && rc != LDAP_SIZELIMIT_EXCEEDED) {
failf(data, "LDAP remote: %s", ldap_err2string(rc));
status = CURLE_LDAP_SEARCH_FAILED;
goto quit;
}
for(num = 0, entryIterator = ldap_first_entry(server, result);
entryIterator;
entryIterator = ldap_next_entry(server, entryIterator), num++) {
BerElement *ber = NULL;
char *attribute; /*! suspicious that this isn't 'const' */
char *dn = ldap_get_dn(server, entryIterator);
int i;
Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"DN: ", 4);
Curl_client_write(conn, CLIENTWRITE_BODY, (char *)dn, 0);
Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\n", 1);
dlsize += strlen(dn)+5;
for(attribute = ldap_first_attribute(server, entryIterator, &ber);
attribute;
attribute = ldap_next_attribute(server, entryIterator, ber)) {
BerValue **vals = ldap_get_values_len(server, entryIterator, attribute);
if(vals != NULL) {
for(i = 0; (vals[i] != NULL); i++) {
Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\t", 1);
Curl_client_write(conn, CLIENTWRITE_BODY, (char *) attribute, 0);
Curl_client_write(conn, CLIENTWRITE_BODY, (char *)": ", 2);
dlsize += strlen(attribute)+3;
if((strlen(attribute) > 7) &&
(strcmp(";binary",
(char *)attribute +
(strlen((char *)attribute) - 7)) == 0)) {
/* Binary attribute, encode to base64. */
CURLcode error = Curl_base64_encode(data,
vals[i]->bv_val,
vals[i]->bv_len,
&val_b64,
&val_b64_sz);
if(error) {
ldap_value_free_len(vals);
ldap_memfree(attribute);
ldap_memfree(dn);
if(ber)
ber_free(ber, 0);
status = error;
goto quit;
}
if(val_b64_sz > 0) {
Curl_client_write(conn, CLIENTWRITE_BODY, val_b64, val_b64_sz);
free(val_b64);
dlsize += val_b64_sz;
}
}
else {
Curl_client_write(conn, CLIENTWRITE_BODY, vals[i]->bv_val,
vals[i]->bv_len);
dlsize += vals[i]->bv_len;
}
Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\n", 0);
dlsize++;
}
/* Free memory used to store values */
ldap_value_free_len(vals);
}
Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\n", 1);
dlsize++;
Curl_pgrsSetDownloadCounter(data, dlsize);
ldap_memfree(attribute);
}
ldap_memfree(dn);
if(ber)
ber_free(ber, 0);
}
quit:
if(result) {
ldap_msgfree(result);
LDAP_TRACE (("Received %d entries\n", num));
}
if(rc == LDAP_SIZELIMIT_EXCEEDED)
infof(data, "There are more than %d entries\n", num);
if(ludp)
ldap_free_urldesc(ludp);
if(server)
ldap_unbind_s(server);
#if defined(HAVE_LDAP_SSL) && defined(CURL_HAS_NOVELL_LDAPSDK)
if(ldap_ssl)
ldapssl_client_deinit();
#endif /* HAVE_LDAP_SSL && CURL_HAS_NOVELL_LDAPSDK */
/* no data to transfer */
Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
connclose(conn, "LDAP connection always disable re-use");
return status;
}
int
main( int argc, char **argv )
{
LDAP *ld;
LDAPMessage *result, *e;
BerElement *ber;
char *a, *dn;
char **vals;
int i;
int rc;
int finished;
int msgid;
int num_entries = 0;
struct timeval zerotime;
zerotime.tv_sec = zerotime.tv_usec = 0L;
/* get a handle to an LDAP connection */
if ( (ld = ldap_init( MY_HOST, MY_PORT )) == NULL ) {
perror( "ldap_init" );
return( 1 );
}
/* authenticate to the directory as nobody */
if ( ldap_simple_bind_s( ld, NULL, NULL ) != LDAP_SUCCESS ) {
ldap_perror( ld, "ldap_simple_bind_s" );
return( 1 );
}
/* search for all entries with surname of Jensen */
if (( msgid = ldap_search( ld, MY_SEARCHBASE, LDAP_SCOPE_SUBTREE,
MY_FILTER, NULL, 0 )) < 0 ) {
ldap_perror( ld, "ldap_search" );
return( 1 );
}
/* Loop, polling for results until finished */
finished = 0;
while ( !finished ) {
/*
* Poll for results. We call ldap_result with the "all" argument
* set to LDAP_MSG_ONE. This causes ldap_result() to return exactly one
* entry if at least one entry is available. This allows us to
* display the entries as they are received.
*/
result = NULL;
rc = ldap_result( ld, msgid, LDAP_MSG_ONE, &zerotime, &result );
switch ( rc ) {
case -1:
/* some error occurred */
ldap_perror( ld, "ldap_result" );
return( 1 );
case 0:
/* Timeout was exceeded. No entries are ready for retrieval. */
if ( result != NULL ) {
ldap_msgfree( result );
}
break;
default:
/*
* Either an entry is ready for retrieval, or all entries have
* been retrieved.
*/
if (( e = ldap_first_entry( ld, result )) == NULL ) {
/* All done */
finished = 1;
if ( result != NULL ) {
ldap_msgfree( result );
}
continue;
}
/* for each entry print out name + all attrs and values */
num_entries++;
if (( dn = ldap_get_dn( ld, e )) != NULL ) {
printf( "dn: %s\n", dn );
ldap_memfree( dn );
}
for ( a = ldap_first_attribute( ld, e, &ber );
a != NULL; a = ldap_next_attribute( ld, e, ber ) ) {
if (( vals = ldap_get_values( ld, e, a )) != NULL ) {
for ( i = 0; vals[ i ] != NULL; i++ ) {
printf( "%s: %s\n", a, vals[ i ] );
}
ldap_value_free( vals );
}
ldap_memfree( a );
}
if ( ber != NULL ) {
ber_free( ber, 0 );
}
printf( "\n" );
ldap_msgfree( result );
}
/* Do other work here while you are waiting... */
do_other_work();
}
/* All done. Print a summary. */
printf( "%d entries retrieved. I counted to %ld "
"while I was waiting.\n", num_entries,
global_counter );
ldap_unbind( ld );
return( 0 );
}
LUA_EXPORT(int openldap_uv_lua_search(lua_State *L))
{
openldap_uv_lua_handle_t *ldap = luaL_checkudata(L, 1, META_TABLE);
if(!ldap->ldap)
{
luaL_error(L, "Handle is not connected");
}
const char *dn = openldap_uv_lua__string_or_null(L, 2);
const char *scope = luaL_checkstring(L, 3);
int _scope;
if(strcmp(scope, "LDAP_SCOPE_BASE") == 0 || strcmp(scope, "LDAP_SCOPE_BASEOBJECT") == 0) _scope = LDAP_SCOPE_BASEOBJECT;
else if(strcmp(scope, "LDAP_SCOPE_ONE") == 0 || strcasecmp(scope, "LDAP_SCOPE_ONELEVEL") == 0) _scope = LDAP_SCOPE_ONELEVEL;
else if(strcmp(scope, "LDAP_SCOPE_SUB") == 0 || strcasecmp(scope, "LDAP_SCOPE_SUBTREE") == 0) _scope = LDAP_SCOPE_SUBTREE;
else if(strcmp(scope, "LDAP_SCOPE_CHILDREN") == 0 || strcasecmp(scope, "LDAP_SCOPE_SUBORDINATE") == 0) _scope = LDAP_SCOPE_CHILDREN;
else luaL_error(L, "Unsupported scope %s", scope);
const char *filter = openldap_uv_lua__string_or_null(L, 4);
char **fieldSelector = NULL;
if(!lua_isnil(L, 5))
{
luaL_checktype(L, 5, LUA_TTABLE);
int size = lua_objlen(L, 5);
fieldSelector = malloc(sizeof(*fieldSelector) * (size + 1));
lua_pushnil(L);
for(int i = 0; lua_next(L, 5); i++)
{
fieldSelector[i] = (char *)lua_tostring(L, -1);
fieldSelector[i+1] = 0;
lua_pop(L, 1);
}
lua_pop(L, 1);
}
int onlyFieldNames = lua_toboolean(L, 6) ? 1 : 0;
LDAPMessage *message = 0;
int err = ldap_search_ext_s(ldap->ldap, dn, _scope, filter, fieldSelector, onlyFieldNames, 0, 0, 0, LDAP_NO_LIMIT, &message);
if(err != 0)
{
ldap_msgfree(message);
openldap_uv_lua__check_error(L, ldap, err);
}
LDAPMessage *entry = ldap_first_entry(ldap->ldap, message);
lua_newtable(L);
while(entry)
{
char *dn = ldap_get_dn(ldap->ldap, entry);
lua_pushstring(L, dn);
free(dn);
lua_newtable(L);
BerElement *ber;
char *attr = ldap_first_attribute(ldap->ldap, entry, &ber);
int j = 0;
while(attr)
{
struct berval **vals = ldap_get_values_len(ldap->ldap, entry, attr );
if(vals)
{
for(int i = 0; vals[i]; i++)
{
lua_pushnumber(L, ++j);
lua_newtable(L);
lua_pushnumber(L, 1);
lua_pushstring(L, attr);
lua_rawset(L, -3);
lua_pushnumber(L, 2);
lua_pushlstring(L, vals[i]->bv_val, vals[i]->bv_len);
lua_rawset(L, -3);
lua_rawset(L, -3);
}
ldap_value_free_len( vals );
}
ldap_memfree( attr );
attr = ldap_next_attribute( ldap->ldap, entry, ber);
}
lua_rawset(L, -3);
entry = ldap_next_entry(ldap->ldap, entry);
}
ldap_msgfree(message);
return 1;
}
static int
do_entry2text(
LDAP *ld,
char *buf, /* NULL for use-internal */
char *base, /* used for search actions */
LDAPMessage *entry,
struct ldap_disptmpl *tmpl,
char **defattrs,
char ***defvals,
writeptype writeproc,
void *writeparm,
char *eol,
int rdncount,
unsigned int opts,
char *urlprefix /* if non-NULL, do HTML */
)
{
int i, err, html, show, labelwidth;
int freebuf, freevals;
char *dn, **vals;
struct ldap_tmplitem *rowp, *colp;
if (( dn = ldap_get_dn( ld, entry )) == NULL ) {
return( ld->ld_errno );
}
if ( buf == NULL ) {
if (( buf = malloc( LDAP_DTMPL_BUFSIZ )) == NULL ) {
ld->ld_errno = LDAP_NO_MEMORY;
free( dn );
return( ld->ld_errno );
}
freebuf = 1;
} else {
freebuf = 0;
}
html = ( urlprefix != NULL );
if ( html ) {
/*
* add HTML intro. and title
*/
if (!(( opts & LDAP_DISP_OPT_HTMLBODYONLY ) != 0 )) {
sprintf( buf, "<HTML>%s<HEAD>%s<TITLE>%s%s - ", eol, eol, eol,
( tmpl == NULL ) ? "Entry" : tmpl->dt_name );
(*writeproc)( writeparm, buf, strlen( buf ));
output_dn( buf, dn, 0, rdncount, writeproc, writeparm, "", NULL );
sprintf( buf, "%s</TITLE>%s</HEAD>%s<BODY>%s<H3>%s - ", eol, eol,
eol, eol, ( tmpl == NULL ) ? "Entry" : tmpl->dt_name );
(*writeproc)( writeparm, buf, strlen( buf ));
output_dn( buf, dn, 0, rdncount, writeproc, writeparm, "", NULL );
sprintf( buf, "</H3>%s", eol );
(*writeproc)( writeparm, buf, strlen( buf ));
}
if (( opts & LDAP_DISP_OPT_NONLEAF ) != 0 &&
( vals = ldap_explode_dn( dn, 0 )) != NULL ) {
char *untagged;
/*
* add "Move Up" link
*/
sprintf( buf, "<A HREF=\"%s", urlprefix );
for ( i = 1; vals[ i ] != NULL; ++i ) {
if ( i > 1 ) {
strcat_escaped( buf, ", " );
}
strcat_escaped( buf, vals[ i ] );
}
if ( vals[ 1 ] != NULL ) {
untagged = strchr( vals[ 1 ], '=' );
} else {
untagged = "=The World";
}
sprintf( buf + strlen( buf ),
"%s\">Move Up To <EM>%s</EM></A>%s<BR>",
( vals[ 1 ] == NULL ) ? "??one" : "",
( untagged != NULL ) ? untagged + 1 : vals[ 1 ], eol, eol );
(*writeproc)( writeparm, buf, strlen( buf ));
/*
* add "Browse" link
*/
untagged = strchr( vals[ 0 ], '=' );
sprintf( buf, "<A HREF=\"%s", urlprefix );
strcat_escaped( buf, dn );
sprintf( buf + strlen( buf ), "??one?(!(objectClass=dsa))\">Browse Below <EM>%s</EM></A>%s%s",
( untagged != NULL ) ? untagged + 1 : vals[ 0 ], eol, eol );
(*writeproc)( writeparm, buf, strlen( buf ));
ldap_value_free( vals );
}
(*writeproc)( writeparm, "<HR>", 4 ); /* horizontal rule */
} else {
(*writeproc)( writeparm, "\"", 1 );
output_dn( buf, dn, 0, rdncount, writeproc, writeparm, "", NULL );
sprintf( buf, "\"%s", eol );
(*writeproc)( writeparm, buf, strlen( buf ));
}
if ( tmpl != NULL && ( opts & LDAP_DISP_OPT_AUTOLABELWIDTH ) != 0 ) {
labelwidth = max_label_len( tmpl ) + 3;
} else {
labelwidth = DEF_LABEL_WIDTH;;
}
err = LDAP_SUCCESS;
if ( tmpl == NULL ) {
BerElement *ber;
char *attr;
ber = NULL;
for ( attr = ldap_first_attribute( ld, entry, &ber );
NONFATAL_LDAP_ERR( err ) && attr != NULL;
attr = ldap_next_attribute( ld, entry, ber )) {
if (( vals = ldap_get_values( ld, entry, attr )) == NULL ) {
freevals = 0;
if ( defattrs != NULL ) {
for ( i = 0; defattrs[ i ] != NULL; ++i ) {
if ( strcasecmp( attr, defattrs[ i ] ) == 0 ) {
break;
}
}
if ( defattrs[ i ] != NULL ) {
vals = defvals[ i ];
}
}
} else {
freevals = 1;
}
if ( islower( *attr )) { /* cosmetic -- upcase attr. name */
*attr = toupper( *attr );
}
err = do_vals2text( ld, buf, vals, attr, labelwidth,
LDAP_SYN_CASEIGNORESTR, writeproc, writeparm, eol,
rdncount, urlprefix );
if ( freevals ) {
ldap_value_free( vals );
}
}
} else {
for ( rowp = ldap_first_tmplrow( tmpl );
NONFATAL_LDAP_ERR( err ) && rowp != NULLTMPLITEM;
rowp = ldap_next_tmplrow( tmpl, rowp )) {
for ( colp = ldap_first_tmplcol( tmpl, rowp ); colp != NULLTMPLITEM;
colp = ldap_next_tmplcol( tmpl, rowp, colp )) {
vals = NULL;
if ( colp->ti_attrname == NULL || ( vals = ldap_get_values( ld,
entry, colp->ti_attrname )) == NULL ) {
freevals = 0;
if ( !LDAP_IS_TMPLITEM_OPTION_SET( colp,
LDAP_DITEM_OPT_HIDEIFEMPTY ) && defattrs != NULL
&& colp->ti_attrname != NULL ) {
for ( i = 0; defattrs[ i ] != NULL; ++i ) {
if ( strcasecmp( colp->ti_attrname, defattrs[ i ] )
== 0 ) {
break;
}
}
if ( defattrs[ i ] != NULL ) {
vals = defvals[ i ];
}
}
} else {
freevals = 1;
if ( LDAP_IS_TMPLITEM_OPTION_SET( colp,
LDAP_DITEM_OPT_SORTVALUES ) && vals[ 0 ] != NULL
&& vals[ 1 ] != NULL ) {
ldap_sort_values( ld, vals, ldap_sort_strcasecmp );
}
}
/*
* don't bother even calling do_vals2text() if no values
* or boolean with value false and "hide if false" option set
*/
show = ( vals != NULL && vals[ 0 ] != NULL );
if ( show && LDAP_GET_SYN_TYPE( colp->ti_syntaxid )
== LDAP_SYN_TYPE_BOOLEAN && LDAP_IS_TMPLITEM_OPTION_SET(
colp, LDAP_DITEM_OPT_HIDEIFFALSE ) &&
toupper( vals[ 0 ][ 0 ] ) != 'T' ) {
show = 0;
}
if ( colp->ti_syntaxid == LDAP_SYN_SEARCHACTION ) {
if (( opts & LDAP_DISP_OPT_DOSEARCHACTIONS ) != 0 ) {
if ( colp->ti_attrname == NULL || ( show &&
toupper( vals[ 0 ][ 0 ] ) == 'T' )) {
err = searchaction( ld, buf, base, entry, dn, colp,
labelwidth, rdncount, writeproc,
writeparm, eol, urlprefix );
}
}
show = 0;
}
if ( show ) {
err = do_vals2text( ld, buf, vals, colp->ti_label,
labelwidth, colp->ti_syntaxid, writeproc, writeparm,
eol, rdncount, urlprefix );
}
if ( freevals ) {
ldap_value_free( vals );
}
}
}
}
if ( html && !(( opts & LDAP_DISP_OPT_HTMLBODYONLY ) != 0 )) {
sprintf( buf, "</BODY>%s</HTML>%s", eol, eol );
(*writeproc)( writeparm, buf, strlen( buf ));
}
free( dn );
if ( freebuf ) {
free( buf );
}
return( err );
}
/*
* Attempt to discover the base DN for the server.
* Enter: ldapServer Server to test.
* Return: List of Base DN's, or NULL if could not read. Base DN should
* be g_free() when done. Return code set in ldapServer.
*/
GList *syldap_read_basedn( SyldapServer *ldapServer ) {
GList *baseDN = NULL;
LDAP *ld;
gint rc, i;
LDAPMessage *result, *e;
gchar *attribs[10];
BerElement *ber;
gchar *attribute;
gchar **vals;
struct timeval timeout;
ldapServer->retVal = MGU_BAD_ARGS;
if( ldapServer == NULL ) return baseDN;
if( ldapServer->hostName == NULL ) return baseDN;
if( ldapServer->port < 1 ) return baseDN;
/* Set timeout */
timeout.tv_usec = 0L;
if( ldapServer->timeOut > 0 ) {
timeout.tv_sec = ldapServer->timeOut;
}
else {
timeout.tv_sec = 30L;
}
/* Connect to server. */
if( ( ld = ldap_init( ldapServer->hostName, ldapServer->port ) ) == NULL ) {
ldapServer->retVal = MGU_LDAP_INIT;
return baseDN;
}
/* Bind to the server, if required */
if( ldapServer->bindDN ) {
if( *ldapServer->bindDN != '\0' ) {
rc = ldap_simple_bind_s( ld, ldapServer->bindDN, ldapServer->bindPass );
if( rc != LDAP_SUCCESS ) {
/* printf( "LDAP Error: ldap_simple_bind_s: %s\n", ldap_err2string( rc ) ); */
ldap_unbind( ld );
ldapServer->retVal = MGU_LDAP_BIND;
return baseDN;
}
}
}
ldapServer->retVal = MGU_LDAP_SEARCH;
/* Test for LDAP version 3 */
attribs[0] = SYLDAP_V3_TEST_ATTR;
attribs[1] = NULL;
rc = ldap_search_ext_s( ld, SYLDAP_SEARCHBASE_V3, LDAP_SCOPE_BASE, SYLDAP_TEST_FILTER, attribs,
0, NULL, NULL, &timeout, 0, &result );
if( rc == LDAP_SUCCESS ) {
/* Process entries */
for( e = ldap_first_entry( ld, result ); e != NULL; e = ldap_next_entry( ld, e ) ) {
/* printf( "DN: %s\n", ldap_get_dn( ld, e ) ); */
/* Process attributes */
for( attribute = ldap_first_attribute( ld, e, &ber ); attribute != NULL;
attribute = ldap_next_attribute( ld, e, ber ) ) {
if( strcasecmp( attribute, SYLDAP_V3_TEST_ATTR ) == 0 ) {
if( ( vals = ldap_get_values( ld, e, attribute ) ) != NULL ) {
for( i = 0; vals[i] != NULL; i++ ) {
/* printf( "\t%s: %s\n", attribute, vals[i] ); */
baseDN = g_list_append( baseDN, g_strdup( vals[i] ) );
}
}
ldap_value_free( vals );
}
ldap_memfree( attribute );
}
if( ber != NULL ) {
ber_free( ber, 0 );
}
}
ldap_msgfree( result );
ldapServer->retVal = MGU_SUCCESS;
}
else if( rc == LDAP_TIMEOUT ) {
ldapServer->retVal = MGU_LDAP_TIMEOUT;
}
if( baseDN == NULL ) {
/* Test for LDAP version 2 */
attribs[0] = NULL;
rc = ldap_search_ext_s( ld, SYLDAP_SEARCHBASE_V2, LDAP_SCOPE_BASE, SYLDAP_TEST_FILTER, attribs,
0, NULL, NULL, &timeout, 0, &result );
if( rc == LDAP_SUCCESS ) {
/* Process entries */
for( e = ldap_first_entry( ld, result ); e != NULL; e = ldap_next_entry( ld, e ) ) {
/* if( baseDN ) break; */
/* printf( "DN: %s\n", ldap_get_dn( ld, e ) ); */
/* Process attributes */
for( attribute = ldap_first_attribute( ld, e, &ber ); attribute != NULL;
attribute = ldap_next_attribute( ld, e, ber ) ) {
/* if( baseDN ) break; */
if( strcasecmp( attribute, SYLDAP_V2_TEST_ATTR ) == 0 ) {
if( ( vals = ldap_get_values( ld, e, attribute ) ) != NULL ) {
for( i = 0; vals[i] != NULL; i++ ) {
char *ch;
/* Strip the 'ldb:' from the front of the value */
ch = ( char * ) strchr( vals[i], ':' );
if( ch ) {
gchar *bn = g_strdup( ++ch );
g_strchomp( bn );
g_strchug( bn );
baseDN = g_list_append( baseDN, g_strdup( bn ) );
}
}
}
ldap_value_free( vals );
}
ldap_memfree( attribute );
}
if( ber != NULL ) {
ber_free( ber, 0 );
}
}
ldap_msgfree( result );
ldapServer->retVal = MGU_SUCCESS;
}
else if( rc == LDAP_TIMEOUT ) {
ldapServer->retVal = MGU_LDAP_TIMEOUT;
}
}
ldap_unbind( ld );
return baseDN;
}
int sdap_parse_entry(TALLOC_CTX *memctx,
struct sdap_handle *sh, struct sdap_msg *sm,
struct sdap_attr_map *map, int attrs_num,
struct sysdb_attrs **_attrs, char **_dn,
bool disable_range_retrieval)
{
struct sysdb_attrs *attrs;
BerElement *ber = NULL;
struct berval **vals;
struct ldb_val v;
char *str;
int lerrno;
int a, i, ret;
const char *name;
bool store;
bool base64;
char *base_attr;
char *dn = NULL;
uint32_t range_offset;
TALLOC_CTX *tmp_ctx = talloc_new(NULL);
if (!tmp_ctx) return ENOMEM;
lerrno = 0;
ret = ldap_set_option(sh->ldap, LDAP_OPT_RESULT_CODE, &lerrno);
if (ret != LDAP_OPT_SUCCESS) {
DEBUG(1, ("ldap_set_option failed [%s], ignored.\n",
sss_ldap_err2string(ret)));
}
attrs = sysdb_new_attrs(tmp_ctx);
if (!attrs) {
ret = ENOMEM;
goto done;
}
str = ldap_get_dn(sh->ldap, sm->msg);
if (!str) {
ldap_get_option(sh->ldap, LDAP_OPT_RESULT_CODE, &lerrno);
DEBUG(1, ("ldap_get_dn failed: %d(%s)\n",
lerrno, sss_ldap_err2string(lerrno)));
ret = EIO;
goto done;
}
DEBUG(9, ("OriginalDN: [%s].\n", str));
ret = sysdb_attrs_add_string(attrs, SYSDB_ORIG_DN, str);
if (ret) goto done;
if (_dn) {
dn = talloc_strdup(tmp_ctx, str);
if (!dn) {
ret = ENOMEM;
ldap_memfree(str);
goto done;
}
}
ldap_memfree(str);
if (map) {
vals = ldap_get_values_len(sh->ldap, sm->msg, "objectClass");
if (!vals) {
DEBUG(1, ("Unknown entry type, no objectClasses found!\n"));
ret = EINVAL;
goto done;
}
for (i = 0; vals[i]; i++) {
/* the objectclass is always the first name in the map */
if (strncasecmp(map[0].name,
vals[i]->bv_val, vals[i]->bv_len) == 0) {
/* ok it's an entry of the right type */
break;
}
}
if (!vals[i]) {
DEBUG(1, ("objectClass not matching: %s\n",
map[0].name));
ldap_value_free_len(vals);
ret = EINVAL;
goto done;
}
ldap_value_free_len(vals);
}
str = ldap_first_attribute(sh->ldap, sm->msg, &ber);
if (!str) {
ldap_get_option(sh->ldap, LDAP_OPT_RESULT_CODE, &lerrno);
DEBUG(lerrno == LDAP_SUCCESS
? SSSDBG_TRACE_INTERNAL
: SSSDBG_MINOR_FAILURE,
("Entry has no attributes [%d(%s)]!?\n",
lerrno, sss_ldap_err2string(lerrno)));
if (map) {
ret = EINVAL;
goto done;
}
}
while (str) {
base64 = false;
ret = sdap_parse_range(tmp_ctx, str, &base_attr, &range_offset,
disable_range_retrieval);
switch(ret) {
case EAGAIN:
/* This attribute contained range values and needs more to
* be retrieved
*/
/* TODO: return the set of attributes that need additional retrieval
* For now, we'll continue below and treat it as regular values.
*/
/* FALLTHROUGH */
case ECANCELED:
/* FALLTHROUGH */
case EOK:
break;
default:
DEBUG(SSSDBG_MINOR_FAILURE,
("Could not determine if attribute [%s] was ranged\n", str));
goto done;
}
if (map) {
for (a = 1; a < attrs_num; a++) {
/* check if this attr is valid with the chosen schema */
if (!map[a].name) continue;
/* check if it is an attr we are interested in */
if (strcasecmp(base_attr, map[a].name) == 0) break;
}
/* interesting attr */
if (a < attrs_num) {
store = true;
name = map[a].sys_name;
if (strcmp(name, SYSDB_SSH_PUBKEY) == 0) {
base64 = true;
}
} else {
store = false;
name = NULL;
}
} else {
name = base_attr;
store = true;
}
if (ret == ECANCELED) {
ret = EOK;
store = false;
}
if (store) {
vals = ldap_get_values_len(sh->ldap, sm->msg, str);
if (!vals) {
ldap_get_option(sh->ldap, LDAP_OPT_RESULT_CODE, &lerrno);
if (lerrno != LDAP_SUCCESS) {
DEBUG(1, ("LDAP Library error: %d(%s)",
lerrno, sss_ldap_err2string(lerrno)));
ret = EIO;
goto done;
}
DEBUG(5, ("Attribute [%s] has no values, skipping.\n", str));
} else {
if (!vals[0]) {
DEBUG(1, ("Missing value after ldap_get_values() ??\n"));
ret = EINVAL;
goto done;
}
for (i = 0; vals[i]; i++) {
if (vals[i]->bv_len == 0) {
DEBUG(SSSDBG_MINOR_FAILURE,
("Value of attribute [%s] is empty. "
"Skipping this value.\n", str));
continue;
}
if (base64) {
v.data = (uint8_t *)sss_base64_encode(attrs,
(uint8_t *)vals[i]->bv_val, vals[i]->bv_len);
if (!v.data) {
ret = ENOMEM;
goto done;
}
v.length = strlen((const char *)v.data);
} else {
v.data = (uint8_t *)vals[i]->bv_val;
v.length = vals[i]->bv_len;
}
ret = sysdb_attrs_add_val(attrs, name, &v);
if (ret) goto done;
}
ldap_value_free_len(vals);
}
}
ldap_memfree(str);
str = ldap_next_attribute(sh->ldap, sm->msg, ber);
}
ber_free(ber, 0);
ber = NULL;
ldap_get_option(sh->ldap, LDAP_OPT_RESULT_CODE, &lerrno);
if (lerrno) {
DEBUG(1, ("LDAP Library error: %d(%s)",
lerrno, sss_ldap_err2string(lerrno)));
ret = EIO;
goto done;
}
*_attrs = talloc_steal(memctx, attrs);
if (_dn) *_dn = talloc_steal(memctx, dn);
ret = EOK;
done:
if (ber) ber_free(ber, 0);
talloc_free(tmp_ctx);
return ret;
}
void *ldap_table_search(struct ci_lookup_table *table, void *key, void ***vals)
{
struct ldap_table_data *data = (struct ldap_table_data *)table->data;
LDAPMessage *msg, *entry;
BerElement *aber;
LDAP *ld;
struct berval **attrs;
void *return_value=NULL;
char *attrname;
int ret = 0, failures, i;
ci_str_vector_t *vect = NULL;
size_t v_size;
char filter[MAX_LDAP_FILTER_SIZE];
char buf[2048];
*vals = NULL;
failures = 0;
return_value = NULL;
if(data->cache && ci_cache_search(data->cache, key, (void **)&vect, NULL, &ci_cache_read_vector_val)) {
ci_debug_printf(4, "Retrieving from cache....\n");
if (!vect) /*Negative hit*/
return NULL;
*vals = (void **)ci_vector_cast_to_voidvoid(vect);
return key;
}
create_filter(filter, MAX_LDAP_FILTER_SIZE, data->filter,key);
while ((ld = ldap_connection_open(data->pool)) && failures < 5) {
ret = ldap_search_ext_s(ld,
data->base, /*base*/
LDAP_SCOPE_SUBTREE, /*scope*/
filter, /*filter*/
data->attrs, /*attrs*/
0, /*attrsonly*/
NULL, /*serverctrls*/
NULL, /*clientctrls*/
NULL, /*timeout*/
-1, /*sizelimit*/
&msg /*res*/
);
ci_debug_printf(4, "Contacting LDAP server: %s\n", ldap_err2string(ret));
if(ret == LDAP_SUCCESS) {
entry = ldap_first_entry(ld, msg);
while(entry != NULL) {
aber = NULL;
attrname = ldap_first_attribute(ld, entry, &aber);
while(attrname != NULL) {
if (vect == NULL) {
vect = ci_str_vector_create(MAX_DATA_SIZE);
if (!vect)
return NULL;
}
ci_debug_printf(8, "Retrieve attribute:%s. Values: ", attrname);
attrs = ldap_get_values_len(ld, entry, attrname);
for(i = 0; attrs[i] != NULL ; ++i) {
//OpenLdap nowhere documents that the result is NULL terminated.
// copy to an intermediate buffer and terminate it before store to vector
v_size = sizeof(buf) <= attrs[i]->bv_len + 1 ? sizeof(buf) : attrs[i]->bv_len;
memcpy(buf, attrs[i]->bv_val, v_size);
buf[v_size] = '\0';
(void)ci_str_vector_add(vect, buf);
ci_debug_printf(8, "%s,", buf);
}
ci_debug_printf(8, "\n");
ldap_value_free_len(attrs);
attrname = ldap_next_attribute(ld, entry, aber);
}
if(aber)
ber_free(aber, 0);
if(!return_value)
return_value = key;
entry = ldap_next_entry(ld, entry);
}
ldap_msgfree(msg);
ldap_connection_release(data->pool, ld, 0);
if(data->cache) {
v_size = vect != NULL ? ci_cache_store_vector_size(vect) : 0;
ci_debug_printf(4, "adding to cache\n");
if (!ci_cache_update(data->cache, key, vect, v_size, ci_cache_store_vector_val))
ci_debug_printf(4, "adding to cache failed!\n");
}
if (!vect)
return NULL;
*vals = (void **)ci_vector_cast_to_voidvoid(vect);
return return_value;
}
ldap_connection_release(data->pool, ld, 1);
if (ret != LDAP_SERVER_DOWN) {
ci_debug_printf(1, "Error contacting LDAP server: %s\n", ldap_err2string(ret));
return NULL;
}
failures++;
}
ci_debug_printf(1, "Error LDAP server is down: %s\n", ldap_err2string(ret));
return NULL;
}
int
main( int argc, char **argv )
{
int version;
LDAP *ld;
int rc;
LDAPControl *gerctrl = NULL;
LDAPControl *requestctrls[ 2 ];
char *authzid;
char **attrlist;
LDAPMessage *result;
LDAPMessage *entry;
char *attr;
BerElement *ber;
char **vals;
int i;
/* Use LDAPv3. */
version = LDAP_VERSION3;
if ( ldap_set_option( NULL, LDAP_OPT_PROTOCOL_VERSION, &version )
!= 0 ) {
fprintf( stderr,
"ldap_set_option protocol version to %d failed\n",
version );
return ( 1 );
}
/* Get a handle to an LDAP connection. */
if ( (ld = ldap_init( MY_HOST, MY_PORT )) == NULL ) {
perror( "ldap_init" );
return( 1 );
}
/* Authenticate to the directory as a user. */
if ( ldap_simple_bind_s( ld, USER_DN, USER_PW ) != LDAP_SUCCESS ) {
ldap_perror( ld, "ldap_simple_bind_s" );
return( 1 );
}
/* Create a get effective rights control. */
authzid = "dn: uid=kvaughan,ou=people,dc=example,dc=com";
if ( !( attrlist = (char**)malloc(sizeof(char * [ 2 ]) ) ) ) {
perror( "malloc" );
ldap_unbind( ld );
return ( 1 );
}
attrlist[ 0 ] = "aclRights";
attrlist[ 1 ] = NULL;
rc = ldap_create_geteffectiveRights_control( ld, authzid,
(const char **)&attrlist, 1, &gerctrl );
if ( rc != LDAP_SUCCESS ) {
fprintf( stderr, "ldap_create_geteffectiveRights_control: %s\n",
ldap_err2string( rc ) );
ldap_unbind( ld );
return( 1 );
}
requestctrls[ 0 ] = gerctrl;
requestctrls[ 1 ] = NULL;
/* Read an entry using the control. */
rc = ldap_search_ext_s( ld, ENTRYDN, LDAP_SCOPE_BASE,
"(objectclass=*)", attrlist, 0, requestctrls,
NULL, NULL, 0, &result );
if ( rc != LDAP_SUCCESS ) {
fprintf( stderr, "ldap_search_ext_s: %s\n", ldap_err2string( rc ) );
ldap_unbind( ld );
return( 1 );
}
/* Examine the entry for effective rights. */
printf( "Bind DN: %s\n", ENTRYDN );
printf( "Authz ID: %s\n", authzid );
printf( "***Rights***\n" );
for ( entry = ldap_first_entry( ld, result );
entry != NULL;
entry = ldap_next_entry( ld, entry ) ) {
for ( attr = ldap_first_attribute( ld, entry, &ber );
attr != NULL;
attr = ldap_next_attribute ( ld, entry, ber) ) {
if ( (vals = ldap_get_values( ld, entry, attr ) ) != NULL) {
for ( i = 0; vals[i] != NULL; ++i ) {
printf( "%s: %s\n", attr, vals[i] );
}
ldap_value_free( vals );
}
ldap_memfree( attr );
}
if ( ber != NULL ) {
ber_free( ber, 0 );
}
}
printf( "\n" );
ldap_msgfree( result );
ldap_control_free( gerctrl );
ldap_unbind( ld );
return( 0 );
}
/* XXX - this is for a stopgap implementation of gfs_opendir() */
char *
gfarm_generic_info_get_foreach(
char *dn,
int scope, /* LDAP_SCOPE_ONELEVEL or LDAP_SCOPE_SUBTREE */
char *query,
void *tmp_info, /* just used as a work area */
void (*callback)(void *, void *),
void *closure,
const struct gfarm_generic_info_ops *ops)
{
LDAPMessage *res, *e;
int i, rv;
char *a;
BerElement *ber;
char **vals;
char *error;
if ((error = gfarm_ldap_check()) != NULL)
return (error);
/* search for entries, return all attrs */
rv = ldap_search_s(gfarm_ldap_server, dn, scope, query, NULL, 0, &res);
if (rv != LDAP_SUCCESS) {
if (rv == LDAP_NO_SUCH_OBJECT)
return (GFARM_ERR_NO_SUCH_OBJECT);
return (ldap_err2string(rv));
}
/* step through each entry returned */
for (i = 0, e = ldap_first_entry(gfarm_ldap_server, res); e != NULL;
e = ldap_next_entry(gfarm_ldap_server, e)) {
ops->clear(tmp_info);
ber = NULL;
for (a = ldap_first_attribute(gfarm_ldap_server, e, &ber);
a != NULL;
a = ldap_next_attribute(gfarm_ldap_server, e, ber)) {
vals = ldap_get_values(gfarm_ldap_server, e, a);
if (vals[0] != NULL)
ops->set_field(tmp_info, a, vals);
ldap_value_free(vals);
ldap_memfree(a);
}
if (ber != NULL)
ber_free(ber, 0);
if (!ops->validate(tmp_info)) {
/* invalid record */
ops->free(tmp_info);
continue;
}
(*callback)(closure, tmp_info);
ops->free(tmp_info);
i++;
}
/* free the search results */
ldap_msgfree(res);
if (i == 0)
return (GFARM_ERR_NO_SUCH_OBJECT);
return (NULL);
}
/**
* Attempt to discover the base DN for a server using LDAP version 2.
* \param ld LDAP handle for a connected server.
* \param tov Timeout value (seconds), or 0 for none, default 30 secs.
* \return List of Base DN's, or NULL if could not read. List should be
* g_free() when done.
*/
static GList *ldaputil_test_v2( LDAP *ld, gint tov ) {
GList *baseDN = NULL;
gint rc, i;
LDAPMessage *result, *e;
gchar *attribs[1];
BerElement *ber;
gchar *attribute;
gchar **vals;
struct timeval timeout;
/* Set timeout */
timeout.tv_usec = 0L;
if( tov > 0 ) {
timeout.tv_sec = tov;
}
else {
timeout.tv_sec = 30L;
}
attribs[0] = NULL;
rc = ldap_search_ext_s(
ld, SYLDAP_SEARCHBASE_V2, LDAP_SCOPE_BASE, SYLDAP_TEST_FILTER,
attribs, 0, NULL, NULL, &timeout, 0, &result );
if( rc == LDAP_SUCCESS ) {
/* Process entries */
for( e = ldap_first_entry( ld, result );
e != NULL;
e = ldap_next_entry( ld, e ) )
{
/* Process attributes */
for( attribute = ldap_first_attribute( ld, e, &ber );
attribute != NULL;
attribute = ldap_next_attribute( ld, e, ber ) )
{
if( strcasecmp(
attribute,
SYLDAP_V2_TEST_ATTR ) == 0 ) {
vals = ldap_get_values( ld, e, attribute );
if( vals != NULL ) {
for( i = 0; vals[i] != NULL; i++ ) {
char *ch;
/*
* Strip the 'ldb:' from the
* front of the value.
*/
ch = ( char * ) strchr( vals[i], ':' );
if( ch ) {
gchar *bn = g_strdup( ++ch );
g_strchomp( bn );
g_strchug( bn );
baseDN = g_list_append(
baseDN, g_strdup( bn ) );
g_free( bn );
}
}
}
ldap_value_free( vals );
}
ldap_memfree( attribute );
}
if( ber != NULL ) {
ber_free( ber, 0 );
}
ber = NULL;
}
}
ldap_msgfree( result );
return baseDN;
}
char *
gfarm_generic_info_get_all(
char *dn,
int scope, /* LDAP_SCOPE_ONELEVEL or LDAP_SCOPE_SUBTREE */
char *query,
int *np,
char **infosp,
const struct gfarm_generic_info_ops *ops)
{
LDAPMessage *res, *e;
int i, n, rv;
char *a;
BerElement *ptr;
char **vals;
char *infos, *tmp_info;
/* search for entries, return all attrs */
rv = ldap_search_s(gfarm_ldap_server, dn, scope, query, NULL, 0, &res);
if (rv != LDAP_SUCCESS) {
if (rv == LDAP_NO_SUCH_OBJECT)
return (GFARM_ERR_NO_SUCH_OBJECT);
return (ldap_err2string(rv));
}
n = ldap_count_entries(gfarm_ldap_server, res);
if (n == 0) {
/* free the search results */
ldap_msgfree(res);
return (GFARM_ERR_NO_SUCH_OBJECT);
}
infos = malloc(ops->info_size * n);
if (infos == NULL) {
/* free the search results */
ldap_msgfree(res);
return (GFARM_ERR_NO_MEMORY);
}
/* use last element as temporary buffer */
tmp_info = infos + ops->info_size * (n - 1);
/* step through each entry returned */
for (i = 0, e = ldap_first_entry(gfarm_ldap_server, res); e != NULL;
e = ldap_next_entry(gfarm_ldap_server, e)) {
ops->clear(tmp_info);
for (a = ldap_first_attribute(gfarm_ldap_server, e, &ptr);
a != NULL;
a = ldap_next_attribute(gfarm_ldap_server, e, ptr)) {
vals = ldap_get_values(gfarm_ldap_server, e, a);
if (vals[0] == NULL) {
ldap_value_free(vals);
continue;
}
ops->set_field(tmp_info, a, vals);
ldap_value_free(vals);
}
if (!ops->validate(tmp_info)) {
/* invalid record */
ops->free(tmp_info);
continue;
}
if (i < n - 1) { /* if (i == n - 1), do not have to copy */
memcpy(infos + ops->info_size * i, tmp_info,
ops->info_size);
}
i++;
}
/* free the search results */
ldap_msgfree(res);
if (i == 0) {
free(infos);
/* XXX - data were all invalid */
return (GFARM_ERR_NO_SUCH_OBJECT);
}
/* XXX - if (i < n), element from (i+1) to (n-1) may be wasted */
*np = i;
*infosp = infos;
return (NULL);
}
int
main( int argc, char **argv )
{
LDAP *ld;
LDAPMessage *result, *e;
BerElement *ber;
char *a, *dn;
char **vals;
int i;
int rc;
int finished;
int msgid;
int num_entries = 0;
int version = LDAP_VERSION3;
LDAPControl *ctrls[2], *psctrl, **ectrls;
/* arrange to use LDAP version 3 */
if ( ldap_set_option( NULL, LDAP_OPT_PROTOCOL_VERSION, &version ) != 0 ) {
perror( "ldap_set_option" );
return( 1 );
}
/* get a handle to an LDAP connection */
if ( (ld = ldap_init( MY_HOST, MY_PORT )) == NULL ) {
perror( "ldap_init" );
return( 1 );
}
/* authenticate to the directory as nobody */
if ( ldap_simple_bind_s( ld, NULL, NULL ) != LDAP_SUCCESS ) {
ldap_perror( ld, "ldap_simple_bind_s" );
ldap_unbind( ld );
return( 1 );
}
/* construct the Persistent Search control */
if ( ldap_create_persistentsearch_control( ld, LDAP_CHANGETYPE_ANY,
1 /* changesOnly */, 1 /* request entry change controls */,
1 /* critical */, &psctrl ) != LDAP_SUCCESS ) {
ldap_perror( ld, "ldap_create_persistentsearch_control" );
ldap_unbind( ld );
return( 1 );
}
ctrls[0] = psctrl;
ctrls[1] = NULL;
/* issue a persistent search for all entries with surname of Jensen */
if ( LDAP_SUCCESS != ldap_search_ext( ld, MY_SEARCHBASE,
LDAP_SCOPE_SUBTREE, MY_FILTER, NULL /* all attrs */,
0 /* get attrs and values */, ctrls, NULL /* no client ctrls */,
NULL /* no timeout */, 0 /* no sizelimit */, &msgid )) {
ldap_perror( ld, "ldap_search_ext" );
ldap_unbind( ld );
return( 1 );
}
ldap_control_free( psctrl ); /* no longer needed */
/*
* Loop, polling for results until finished.
* Since this is a persistent search, this loop won't end until the
* server shuts down or we lose the connection for some other reason.
* We could abandon the persistent search or close the connection of
* course, but we don't in this example.
*/
finished = 0;
while ( !finished ) {
/*
* Poll for results. We call ldap_result with the "all" argument
* set to LDAP_MSG_ONE. This causes ldap_result() to return exactly one
* entry if at least one entry is available. This allows us to
* display the entries as they are received.
*/
result = NULL;
rc = ldap_result( ld, msgid, LDAP_MSG_ONE, NULL /* no timeout */, &result );
switch ( rc ) {
case -1:
/* some error occurred */
ldap_perror( ld, "ldap_result" );
ldap_unbind( ld );
return( 1 );
case 0:
/* Timeout was exceeded. No entries are ready for retrieval. */
if ( result != NULL ) {
ldap_msgfree( result );
}
break;
default:
/*
* Either an entry is ready for retrieval, or all entries have
* been retrieved.
*/
if (( e = ldap_first_entry( ld, result )) == NULL ) {
/* All done */
finished = 1;
if ( result != NULL ) {
ldap_msgfree( result );
}
continue;
}
num_entries++;
/* for each entry print out name */
if (( dn = ldap_get_dn( ld, e )) != NULL ) {
printf( "dn: %s\n", dn );
ldap_memfree( dn );
}
/* print entry change info. if it was returned */
if ( LDAP_SUCCESS == ldap_get_entry_controls( ld, e, &ectrls )) {
int chgnumpresent;
ber_int_t chgtype;
ber_int_t chgnum;
char *prevdn;
if ( LDAP_SUCCESS == ldap_parse_entrychange_control( ld,
ectrls, &chgtype, &prevdn, &chgnumpresent, &chgnum )) {
printf( "changeType: %s\n",
changetype_num2string( chgtype ));
if ( prevdn != NULL ) {
printf( "previousDN: %s\n", prevdn );
ldap_memfree( prevdn );
}
if ( chgnumpresent ) {
printf( "changeNumber: %d\n", chgnum );
}
ldap_controls_free( ectrls );
}
}
/* print out all attrs and values */
for ( a = ldap_first_attribute( ld, e, &ber );
a != NULL; a = ldap_next_attribute( ld, e, ber ) ) {
if (( vals = ldap_get_values( ld, e, a )) != NULL ) {
for ( i = 0; vals[ i ] != NULL; i++ ) {
printf( "%s: %s\n", a, vals[ i ] );
}
ldap_value_free( vals );
}
ldap_memfree( a );
}
if ( ber != NULL ) {
ber_free( ber, 0 );
}
printf( "\n" );
ldap_msgfree( result );
}
}
/* All done. Print a summary. */
printf( "%d entries retrieved.\n", num_entries );
ldap_unbind( ld );
return( 0 );
}
void run_ldap_tests(service_t *ldaptest, int sslcertcheck, int querytimeout)
{
#ifdef HAVE_LDAP
ldap_data_t *req;
testitem_t *t;
struct timespec starttime;
struct timespec endtime;
/* Pick a sensible default for the timeout setting */
if (querytimeout == 0) querytimeout = 30;
for (t = ldaptest->items; (t); t = t->next) {
LDAPURLDesc *ludp;
LDAP *ld;
int rc, finished;
int msgID = -1;
struct timeval ldaptimeout;
struct timeval openldaptimeout;
LDAPMessage *result;
LDAPMessage *e;
strbuffer_t *response;
char buf[MAX_LINE_LEN];
req = (ldap_data_t *) t->privdata;
if (req->skiptest) continue;
ludp = (LDAPURLDesc *) req->ldapdesc;
getntimer(&starttime);
/* Initiate session with the LDAP server */
dbgprintf("Initiating LDAP session for host %s port %d\n",
ludp->lud_host, ludp->lud_port);
if( (ld = ldap_init(ludp->lud_host, ludp->lud_port)) == NULL ) {
dbgprintf("ldap_init failed\n");
req->ldapstatus = XYMON_LDAP_INITFAIL;
continue;
}
/*
* There is apparently no standard way of defining a network
* timeout for the initial connection setup.
*/
#if (LDAP_VENDOR == OpenLDAP) && defined(LDAP_OPT_NETWORK_TIMEOUT)
/*
* OpenLDAP has an undocumented ldap_set_option(ld, LDAP_OPT_NETWORK_TIMEOUT, &tv)
*/
openldaptimeout.tv_sec = querytimeout;
openldaptimeout.tv_usec = 0;
ldap_set_option(ld, LDAP_OPT_NETWORK_TIMEOUT, &openldaptimeout);
#else
/*
* So using an alarm() to interrupt any pending operations
* seems to be the least insane way of doing this.
*
* Note that we must do this right after ldap_init(), as
* any operation on the session handle (ld) may trigger the
* network connection to be established.
*/
connect_timeout = 0;
signal(SIGALRM, ldap_alarmhandler);
alarm(querytimeout);
#endif
/*
* This is completely undocumented in the OpenLDAP docs.
* But apparently it is documented in
* http://www.ietf.org/proceedings/99jul/I-D/draft-ietf-ldapext-ldap-c-api-03.txt
*
* Both of these routines appear in the <ldap.h> file
* from OpenLDAP 2.1.22. Their use to enable TLS has
* been deciphered from the ldapsearch() utility
* sourcecode.
*
* According to Manon Goo <*****@*****.**>, recent (Jan. 2005)
* OpenLDAP implementations refuse to talk LDAPv2.
*/
#ifdef LDAP_OPT_PROTOCOL_VERSION
{
int protocol = LDAP_VERSION3;
dbgprintf("Attempting to select LDAPv3\n");
if ((rc = ldap_set_option(ld, LDAP_OPT_PROTOCOL_VERSION, &protocol)) != LDAP_SUCCESS) {
dbgprintf("Failed to select LDAPv3, trying LDAPv2\n");
protocol = LDAP_VERSION2;
if ((rc = ldap_set_option(ld, LDAP_OPT_PROTOCOL_VERSION, &protocol)) != LDAP_SUCCESS) {
req->output = strdup(ldap_err2string(rc));
req->ldapstatus = XYMON_LDAP_TLSFAIL;
}
continue;
}
}
#endif
if (req->usetls) {
dbgprintf("Trying to enable TLS for session\n");
if ((rc = ldap_start_tls_s(ld, NULL, NULL)) != LDAP_SUCCESS) {
dbgprintf("ldap_start_tls failed\n");
req->output = strdup(ldap_err2string(rc));
req->ldapstatus = XYMON_LDAP_TLSFAIL;
continue;
}
}
if (!connect_timeout) {
msgID = ldap_simple_bind(ld, (t->host->ldapuser ? t->host->ldapuser : ""),
(t->host->ldappasswd ? t->host->ldappasswd : ""));
}
/* Cancel any pending alarms */
alarm(0);
signal(SIGALRM, SIG_DFL);
/* Did we connect? */
if (connect_timeout || (msgID == -1)) {
req->ldapstatus = XYMON_LDAP_BINDFAIL;
req->output = "Cannot connect to server";
continue;
}
/* Wait for bind to complete */
rc = 0; finished = 0;
ldaptimeout.tv_sec = querytimeout;
ldaptimeout.tv_usec = 0L;
while( ! finished ) {
int rc2;
rc = ldap_result(ld, msgID, LDAP_MSG_ONE, &ldaptimeout, &result);
dbgprintf("ldap_result returned %d for ldap_simple_bind()\n", rc);
if(rc == -1) {
finished = 1;
req->ldapstatus = XYMON_LDAP_BINDFAIL;
if (result == NULL) {
errprintf("LDAP library problem - NULL result returned\n");
req->output = strdup("LDAP BIND failed\n");
}
else {
rc2 = ldap_result2error(ld, result, 1);
req->output = strdup(ldap_err2string(rc2));
}
ldap_unbind(ld);
}
else if (rc == 0) {
finished = 1;
req->ldapstatus = XYMON_LDAP_BINDFAIL;
req->output = strdup("Connection timeout");
ldap_unbind(ld);
}
else if( rc > 0 ) {
finished = 1;
if (result == NULL) {
errprintf("LDAP library problem - got a NULL resultcode for status %d\n", rc);
req->ldapstatus = XYMON_LDAP_BINDFAIL;
req->output = strdup("LDAP library problem: ldap_result2error returned a NULL result for status %d\n");
ldap_unbind(ld);
}
else {
rc2 = ldap_result2error(ld, result, 1);
if(rc2 != LDAP_SUCCESS) {
req->ldapstatus = XYMON_LDAP_BINDFAIL;
req->output = strdup(ldap_err2string(rc));
ldap_unbind(ld);
}
}
}
} /* ... while() */
/* We're done connecting. If something went wrong, go to next query. */
if (req->ldapstatus != 0) continue;
/* Now do the search. With a timeout */
ldaptimeout.tv_sec = querytimeout;
ldaptimeout.tv_usec = 0L;
rc = ldap_search_st(ld, ludp->lud_dn, ludp->lud_scope, ludp->lud_filter, ludp->lud_attrs, 0, &ldaptimeout, &result);
if(rc == LDAP_TIMEOUT) {
req->ldapstatus = XYMON_LDAP_TIMEOUT;
req->output = strdup(ldap_err2string(rc));
ldap_unbind(ld);
continue;
}
if( rc != LDAP_SUCCESS ) {
req->ldapstatus = XYMON_LDAP_SEARCHFAILED;
req->output = strdup(ldap_err2string(rc));
ldap_unbind(ld);
continue;
}
getntimer(&endtime);
response = newstrbuffer(0);
sprintf(buf, "Searching LDAP for %s yields %d results:\n\n",
t->testspec, ldap_count_entries(ld, result));
addtobuffer(response, buf);
for(e = ldap_first_entry(ld, result); (e != NULL); e = ldap_next_entry(ld, e) ) {
char *dn;
BerElement *ber;
char *attribute;
char **vals;
dn = ldap_get_dn(ld, e);
sprintf(buf, "DN: %s\n", dn);
addtobuffer(response, buf);
/* Addtributes and values */
for (attribute = ldap_first_attribute(ld, e, &ber); (attribute != NULL); attribute = ldap_next_attribute(ld, e, ber) ) {
if ((vals = ldap_get_values(ld, e, attribute)) != NULL) {
int i;
for(i = 0; (vals[i] != NULL); i++) {
sprintf(buf, "\t%s: %s\n", attribute, vals[i]);
addtobuffer(response, buf);
}
}
/* Free memory used to store values */
ldap_value_free(vals);
}
/* Free memory used to store attribute */
ldap_memfree(attribute);
ldap_memfree(dn);
if (ber != NULL) ber_free(ber, 0);
addtobuffer(response, "\n");
}
req->ldapstatus = XYMON_LDAP_OK;
req->output = grabstrbuffer(response);
tvdiff(&starttime, &endtime, &req->duration);
ldap_msgfree(result);
ldap_unbind(ld);
ldap_free_urldesc(ludp);
}
#endif
}
/* get from the BDII the list of supported protocols with their associated
* port number
*/
int g2_sd_get_seap_info(const char *host, char ***access_protocol, int **port, char *errbuf, int errbufsz) {
char **ap = NULL, *attr = NULL;
char *query = NULL;
struct berval **value = NULL;
BerElement *ber = NULL;
int nbentries, i = 0, n = 0, rc = 0;
int *pn = NULL;
LDAPMessage *entry = NULL, *reply = NULL;
SDException exception;
int sav_errno = 0;
char *tempUrl = NULL;
char *base_scheme = NULL;
char *base_host = NULL;
char *base_path = NULL;
int base_port = 0;
LDAP *ld = NULL;
char *service_id = NULL;
char *endpoint_id = NULL;
if (!host) {
SD_setException(&exception, SDStatus_FAILURE, "[BDII][g2_sd_get_seap_info]: Hostname in null", errbuf, errbufsz);
return -1;
}
if ((ld = get_connection(&exception, errbuf, errbufsz)) == NULL) {
SD_setException(&exception, SDStatus_FAILURE, "[BDII][g2_sd_get_seap_info]: Cannot connect to BDII", errbuf, errbufsz);
return (-1);
}
g2_sd_get_service_id(ld, host, &service_id, &endpoint_id, errbuf, errbufsz);
if(!service_id)
{
SD_setException(&exception, SDStatus_FAILURE, "[BDII][g2_sd_get_seap_info]: ServiceID cannot be found", errbuf, errbufsz);
if(ld)
close_connection(ld);
return (-1);
}
/*prepare the query */
query = g_strdup_printf(GLUE2_QUERY_PROTO_PORT_TYPE, service_id);
while (n < 1 && !sav_errno) {
/*send query to bdii server*/
rc = connect_search_ldap(glue2_base, query, g2_seap_attrs, ld, &exception, &reply, errbuf, errbufsz);
if (rc != LDAP_SUCCESS) {
if (reply) {
ldap_msgfree(reply);
}
rc = -1;
sav_errno = errno;
break;
}
/*count entry # */
if ((nbentries = ldap_count_entries(ld, reply)) < 1) {
SD_setException(&exception, SDStatus_FAILURE, "[BDII][g2_sd_get_seap_info]: No entries for host.", errbuf, errbufsz);
if (reply) {
ldap_msgfree(reply);
}
sav_errno = errno ? errno : ENOMEM;
rc = -1;
break;
}
nbentries++;
/*allocate memory */
if ((ap = (char **) calloc(nbentries, sizeof (char *))) == NULL || (pn
= (int *) calloc(nbentries, sizeof (int))) == NULL) {
if (reply) {
ldap_msgfree(reply);
}
sav_errno = errno ? errno : ENOMEM;
rc = -1;
break;
}
for (entry = ldap_first_entry(ld, reply), n = 0; entry != NULL && rc
== 0; entry = ldap_next_entry(ld, entry), ++n) {
for (attr = ldap_first_attribute(ld, entry, &ber); attr != NULL
&& rc == 0; attr = ldap_next_attribute(ld, entry, ber)) {
if (!ap[n] && (value = ldap_get_values_len(ld, entry, attr))) {
if (value && value[0]->bv_val) {
if (strcmp(attr, "GLUE2EndpointURL") == 0) {
if ((ap[n] = strdup(value[0]->bv_val)) == NULL) {
rc = -1;
sav_errno = errno ? errno : ENOMEM;
} else {
tempUrl = ap[n];
if (tempUrl)
parse_url(tempUrl, &base_scheme, &base_host, &base_port, &base_path);
if (base_scheme && base_port > 0) {
free(ap[n]);
ap[n] = base_scheme; /* protocol */
pn[n] = base_port; /* port */
} else {
rc = -1;
sav_errno = errno ? errno : ENOMEM;
}
}
if (value)
ber_bvecfree(value);
}
}
}
if (attr)
ldap_memfree(attr);
}
if (ber) {
ber_free(ber, 0);
ber = NULL;
}
}
if (reply) {
ldap_msgfree(reply);
}
if (base_host)
free(base_host);
if (base_path)
free(base_path);
}
/* if something went wrong, give the memory free */
if (rc < 0) {
for (i = 0; i < n; ++i) {
if (ap[i]) {
free(ap[i]);
}
}
if (ap && pn) {
free(ap);
free(pn);
}
SD_setException(&exception, SDStatus_FAILURE, "[BDII][g2_sd_get_seap_info]: No available information", errbuf, errbufsz);
errno = sav_errno ? sav_errno : EINVAL;
} else /*return the values via pointer*/ {
*access_protocol = ap;
*port = pn;
}
if (query)
g_free(query);
if (ld)
close_connection(ld);
if (service_id)
free(service_id);
if (endpoint_id)
free(endpoint_id);
return (rc);
}
/* libbalsa_address_book_ldap_get_address:
* loads a single address from connection specified by LDAPMessage.
*/
static LibBalsaAddress*
libbalsa_address_book_ldap_get_address(LibBalsaAddressBook * ab,
LDAPMessage * e)
{
LibBalsaAddressBookLdap *ldap_ab;
gchar *email = NULL, *cn = NULL, *org = NULL, *uid = NULL;
gchar *first = NULL, *last = NULL;
LibBalsaAddress *address = NULL;
char *attr;
struct berval **vals;
BerElement *ber = NULL;
int i;
ldap_ab = LIBBALSA_ADDRESS_BOOK_LDAP(ab);
for (attr = ldap_first_attribute(ldap_ab->directory, e, &ber);
attr != NULL; attr=ldap_next_attribute(ldap_ab->directory, e, ber)) {
/*
* For each attribute, get the attribute name and values.
*/
if ((vals=ldap_get_values_len(ldap_ab->directory, e, attr)) != NULL) {
for (i = 0; vals[i] != NULL; i++) {
if ((g_ascii_strcasecmp(attr, "sn") == 0) && (!last))
last = g_strndup(vals[i]->bv_val, vals[i]->bv_len);
if ((g_ascii_strcasecmp(attr, "cn") == 0) && (!cn))
cn = g_strndup(vals[i]->bv_val, vals[i]->bv_len);
if ((g_ascii_strcasecmp(attr, "givenName") == 0) && (!first))
first = g_strndup(vals[i]->bv_val, vals[i]->bv_len);
if ((g_ascii_strcasecmp(attr, "o") == 0) && (!org))
org = g_strndup(vals[i]->bv_val, vals[i]->bv_len);
if ((g_ascii_strcasecmp(attr, "uid") == 0) && (!uid))
uid = g_strndup(vals[i]->bv_val, vals[i]->bv_len);
if ((g_ascii_strcasecmp(attr, "mail") == 0) && (!email))
email = g_strndup(vals[i]->bv_val, vals[i]->bv_len);
}
ldap_value_free_len(vals);
}
ldap_memfree(attr);
}
/*
* Record will have e-mail (searched)
*/
if(email == NULL) email = g_strdup("none");
g_return_val_if_fail(email != NULL, NULL);
address = libbalsa_address_new();
if (cn)
address->full_name = cn;
else {
address->full_name = create_name(first, last);
if(!address->full_name)
address->full_name = g_strdup(_("No-Name"));
}
address->first_name = first;
address->last_name = last;
address->nick_name = uid;
address->organization = org;
address->address_list = g_list_prepend(address->address_list, email);
return address;
}
static char *lookup_user(struct configparams *config, char *user)
{
#ifdef USE_LDAP_MAIL_LOOKUP
char searchbuf[256];
LDAPMessage *result, *entry;
BerElement *ber = NULL;
struct berval **bvals = NULL;
int ret, cnt;
char *a;
char *to = NULL;
if (!config->use_ldap_mail)
return sstrdup(user);
if (ldapconn == NULL && config->ldap_is_setup == 0) {
/* need init */
if (setup_ldap(config)) {
errstr(_("Could not setup ldap connection.\n"));
return NULL;
}
config->ldap_is_setup = 1;
}
if (ldapconn == NULL) {
/*
* ldap was never setup correctly so just use
* the offender_name
*/
return sstrdup(user);
}
/* search for the offender_name in ldap */
snprintf(searchbuf, 256, "(%s=%s)", config->ldap_search_attr, user);
ret = ldap_search_ext_s(ldapconn,
config->ldap_basedn, LDAP_SCOPE_SUBTREE,
searchbuf, NULL, 0, NULL, NULL, NULL,
0, &result);
if (ret < 0) {
errstr(_("Error with %s.\n"), user);
errstr(_("ldap_search_ext_s() failed: %s\n"), ldap_err2string(ret));
return NULL;
}
cnt = ldap_count_entries(ldapconn, result);
if (cnt > 1) {
errstr(_("Multiple entries found for client %s (%d).\n"),
user, cnt);
return NULL;
} else if (cnt == 0) {
errstr(_("Entry not found for client %s.\n"), user);
return NULL;
}
/* get the attr */
entry = ldap_first_entry(ldapconn, result);
for (a = ldap_first_attribute(ldapconn, entry, &ber); a != NULL;
a = ldap_next_attribute(ldapconn, entry, ber)) {
if (strcasecmp(a, config->ldap_mail_attr) == 0) {
bvals = ldap_get_values_len(ldapconn, entry, a);
if (bvals == NULL) {
errstr(_("Could not get values for %s.\n"),
user);
return NULL;
}
to = sstrdup(bvals[0]->bv_val);
ldap_memfree(a);
ldap_value_free_len(bvals);
break;
}
ldap_memfree(a);
}
ber_free(ber, 0);
if (to == NULL) {
/*
* use just the name and default domain as we didn't find the
* attribute we wanted in this entry
*/
to = smalloc(strlen(user) + strlen(config->default_domain) + 1);
sprintf(to, "%s@%s", user, config->default_domain);
}
return to;
#else
return sstrdup(user);
#endif
}
static void
print_search_entry( LDAP *ld, LDAPMessage *res )
{
LDAPMessage *e;
for ( e = ldap_first_entry( ld, res ); e != NULL;
e = ldap_next_entry( ld, e ) )
{
BerElement *ber = NULL;
char *a, *dn, *ufn;
if ( e->lm_msgtype == LDAP_RES_SEARCH_RESULT )
break;
dn = ldap_get_dn( ld, e );
printf( "\tDN: %s\n", dn );
ufn = ldap_dn2ufn( dn );
printf( "\tUFN: %s\n", ufn );
free( dn );
free( ufn );
for ( a = ldap_first_attribute( ld, e, &ber ); a != NULL;
a = ldap_next_attribute( ld, e, ber ) )
{
struct berval **vals;
printf( "\t\tATTR: %s\n", a );
if ( (vals = ldap_get_values_len( ld, e, a ))
== NULL ) {
printf( "\t\t\t(no values)\n" );
} else {
int i;
for ( i = 0; vals[i] != NULL; i++ ) {
int j, nonascii;
nonascii = 0;
for ( j = 0; (ber_len_t) j < vals[i]->bv_len; j++ )
if ( !isascii( vals[i]->bv_val[j] ) ) {
nonascii = 1;
break;
}
if ( nonascii ) {
printf( "\t\t\tlength (%ld) (not ascii)\n", vals[i]->bv_len );
#ifdef BPRINT_NONASCII
ber_bprint( vals[i]->bv_val,
vals[i]->bv_len );
#endif /* BPRINT_NONASCII */
continue;
}
printf( "\t\t\tlength (%ld) %s\n",
vals[i]->bv_len, vals[i]->bv_val );
}
ber_bvecfree( vals );
}
}
if(ber != NULL) {
ber_free( ber, 0 );
}
}
if ( res->lm_msgtype == LDAP_RES_SEARCH_RESULT
|| res->lm_chain != NULL )
print_ldap_result( ld, res, "search" );
}
/*
* Perform the LDAP search, reading LDAP entries into cache.
* Note that one LDAP entry can have multiple values for many of its
* attributes. If these attributes are E-Mail addresses; these are
* broken out into separate address items. For any other attribute,
* only the first occurrence is read.
*/
gint syldap_search( SyldapServer *ldapServer ) {
LDAP *ld;
LDAPMessage *result, *e;
char *attribs[10];
char *attribute;
gchar *criteria;
BerElement *ber;
gint rc;
GSList *listName = NULL, *listAddress = NULL, *listID = NULL;
GSList *listFirst = NULL, *listLast = NULL, *listDN = NULL;
struct timeval timeout;
gboolean entriesFound = FALSE;
g_return_val_if_fail( ldapServer != NULL, -1 );
ldapServer->retVal = MGU_SUCCESS;
if( ! syldap_check_search( ldapServer ) ) {
return ldapServer->retVal;
}
/* Set timeout */
timeout.tv_sec = ldapServer->timeOut;
timeout.tv_usec = 0L;
ldapServer->entriesRead = 0;
if( ( ld = ldap_init( ldapServer->hostName, ldapServer->port ) ) == NULL ) {
ldapServer->retVal = MGU_LDAP_INIT;
return ldapServer->retVal;
}
/* printf( "connected to LDAP host %s on port %d\n", ldapServer->hostName, ldapServer->port ); */
/* Bind to the server, if required */
if( ldapServer->bindDN ) {
if( * ldapServer->bindDN != '\0' ) {
/* printf( "binding...\n" ); */
rc = ldap_simple_bind_s( ld, ldapServer->bindDN, ldapServer->bindPass );
/* printf( "rc=%d\n", rc ); */
if( rc != LDAP_SUCCESS ) {
/* printf( "LDAP Error: ldap_simple_bind_s: %s\n", ldap_err2string( rc ) ); */
ldap_unbind( ld );
ldapServer->retVal = MGU_LDAP_BIND;
return ldapServer->retVal;
}
}
}
/* Define all attributes we are interested in. */
attribs[0] = SYLDAP_ATTR_DN;
attribs[1] = SYLDAP_ATTR_COMMONNAME;
attribs[2] = SYLDAP_ATTR_GIVENNAME;
attribs[3] = SYLDAP_ATTR_SURNAME;
attribs[4] = SYLDAP_ATTR_EMAIL;
attribs[5] = SYLDAP_ATTR_UID;
attribs[6] = NULL;
/* Create LDAP search string and apply search criteria */
criteria = g_strdup_printf( ldapServer->searchCriteria, ldapServer->searchValue );
rc = ldap_search_ext_s( ld, ldapServer->baseDN, LDAP_SCOPE_SUBTREE, criteria, attribs, 0, NULL, NULL,
&timeout, 0, &result );
g_free( criteria );
criteria = NULL;
if( rc == LDAP_TIMEOUT ) {
ldap_unbind( ld );
ldapServer->retVal = MGU_LDAP_TIMEOUT;
return ldapServer->retVal;
}
if( rc != LDAP_SUCCESS ) {
/* printf( "LDAP Error: ldap_search_st: %s\n", ldap_err2string( rc ) ); */
ldap_unbind( ld );
ldapServer->retVal = MGU_LDAP_SEARCH;
return ldapServer->retVal;
}
/* printf( "Total results are: %d\n", ldap_count_entries( ld, result ) ); */
/* Clear the cache if we have new entries, otherwise leave untouched. */
if( ldap_count_entries( ld, result ) > 0 ) {
addrcache_clear( ldapServer->addressCache );
}
/* Process results */
ldapServer->entriesRead = 0;
for( e = ldap_first_entry( ld, result ); e != NULL; e = ldap_next_entry( ld, e ) ) {
entriesFound = TRUE;
if( ldapServer->entriesRead >= ldapServer->maxEntries ) break;
/* printf( "DN: %s\n", ldap_get_dn( ld, e ) ); */
/* Process all attributes */
for( attribute = ldap_first_attribute( ld, e, &ber ); attribute != NULL;
attribute = ldap_next_attribute( ld, e, ber ) ) {
if( strcasecmp( attribute, SYLDAP_ATTR_COMMONNAME ) == 0 ) {
listName = syldap_add_list_values( ld, e, attribute );
}
if( strcasecmp( attribute, SYLDAP_ATTR_EMAIL ) == 0 ) {
listAddress = syldap_add_list_values( ld, e, attribute );
}
if( strcasecmp( attribute, SYLDAP_ATTR_UID ) == 0 ) {
listID = syldap_add_single_value( ld, e, attribute );
}
if( strcasecmp( attribute, SYLDAP_ATTR_GIVENNAME ) == 0 ) {
listFirst = syldap_add_list_values( ld, e, attribute );
}
if( strcasecmp( attribute, SYLDAP_ATTR_SURNAME ) == 0 ) {
listLast = syldap_add_single_value( ld, e, attribute );
}
if( strcasecmp( attribute, SYLDAP_ATTR_DN ) == 0 ) {
listDN = syldap_add_single_value( ld, e, attribute );
}
/* Free memory used to store attribute */
ldap_memfree( attribute );
}
/* Format and add items to cache */
syldap_build_items_fl( ldapServer, listAddress, listFirst, listLast );
/* Free up */
syldap_free_lists( listName, listAddress, listID, listDN, listFirst, listLast );
listName = listAddress = listID = listFirst = listLast = listDN = NULL;
if( ber != NULL ) {
ber_free( ber, 0 );
}
}
syldap_free_lists( listName, listAddress, listID, listDN, listFirst, listLast );
listName = listAddress = listID = listFirst = listLast = listDN = NULL;
/* Free up and disconnect */
ldap_msgfree( result );
ldap_unbind( ld );
ldapServer->newSearch = FALSE;
if( entriesFound ) {
ldapServer->retVal = MGU_SUCCESS;
}
else {
ldapServer->retVal = MGU_LDAP_NOENTRIES;
}
return ldapServer->retVal;
}
/* return false if the request is still in progress
* return true if the request is completed
*/
static bool lldb_parse_result(struct lldb_context *ac, LDAPMessage *result)
{
struct ldb_context *ldb;
struct lldb_private *lldb = ac->lldb;
LDAPControl **serverctrlsp = NULL;
char **referralsp = NULL;
char *matcheddnp = NULL;
char *errmsgp = NULL;
LDAPMessage *msg;
int type;
struct ldb_message *ldbmsg;
char *referral;
bool callback_failed;
bool request_done;
bool lret;
unsigned int i;
int ret;
ldb = ldb_module_get_ctx(ac->module);
type = ldap_msgtype(result);
callback_failed = false;
request_done = false;
switch (type) {
case LDAP_RES_SEARCH_ENTRY:
msg = ldap_first_entry(lldb->ldap, result);
if (msg != NULL) {
BerElement *berptr = NULL;
char *attr, *dn;
ldbmsg = ldb_msg_new(ac);
if (!ldbmsg) {
ldb_oom(ldb);
ret = LDB_ERR_OPERATIONS_ERROR;
break;
}
dn = ldap_get_dn(lldb->ldap, msg);
if (!dn) {
ldb_oom(ldb);
talloc_free(ldbmsg);
ret = LDB_ERR_OPERATIONS_ERROR;
break;
}
ldbmsg->dn = ldb_dn_new(ldbmsg, ldb, dn);
if ( ! ldb_dn_validate(ldbmsg->dn)) {
ldb_asprintf_errstring(ldb, "Invalid DN '%s' in reply", dn);
talloc_free(ldbmsg);
ret = LDB_ERR_OPERATIONS_ERROR;
ldap_memfree(dn);
break;
}
ldap_memfree(dn);
ldbmsg->num_elements = 0;
ldbmsg->elements = NULL;
/* loop over all attributes */
for (attr=ldap_first_attribute(lldb->ldap, msg, &berptr);
attr;
attr=ldap_next_attribute(lldb->ldap, msg, berptr)) {
struct berval **bval;
bval = ldap_get_values_len(lldb->ldap, msg, attr);
if (bval) {
lldb_add_msg_attr(ldb, ldbmsg, attr, bval);
ldap_value_free_len(bval);
}
}
if (berptr) ber_free(berptr, 0);
ret = ldb_module_send_entry(ac->req, ldbmsg, NULL /* controls not yet supported */);
if (ret != LDB_SUCCESS) {
ldb_asprintf_errstring(ldb, "entry send failed: %s",
ldb_errstring(ldb));
callback_failed = true;
}
} else {
ret = LDB_ERR_OPERATIONS_ERROR;
}
break;
case LDAP_RES_SEARCH_REFERENCE:
ret = ldap_parse_reference(lldb->ldap, result,
&referralsp, &serverctrlsp, 0);
if (ret != LDAP_SUCCESS) {
ldb_asprintf_errstring(ldb, "ldap reference parse error: %s : %s",
ldap_err2string(ret), errmsgp);
ret = LDB_ERR_OPERATIONS_ERROR;
break;
}
if (referralsp == NULL) {
ldb_asprintf_errstring(ldb, "empty ldap referrals list");
ret = LDB_ERR_PROTOCOL_ERROR;
break;
}
for (i = 0; referralsp[i]; i++) {
referral = talloc_strdup(ac, referralsp[i]);
ret = ldb_module_send_referral(ac->req, referral);
if (ret != LDB_SUCCESS) {
ldb_asprintf_errstring(ldb, "referral send failed: %s",
ldb_errstring(ldb));
callback_failed = true;
break;
}
}
break;
case LDAP_RES_SEARCH_RESULT:
case LDAP_RES_MODIFY:
case LDAP_RES_ADD:
case LDAP_RES_DELETE:
case LDAP_RES_MODDN:
if (ldap_parse_result(lldb->ldap, result, &ret,
&matcheddnp, &errmsgp,
&referralsp, &serverctrlsp, 0) != LDAP_SUCCESS) {
ret = LDB_ERR_OPERATIONS_ERROR;
}
if (ret != LDB_SUCCESS) {
ldb_asprintf_errstring(ldb, "ldap parse error for type %d: %s : %s",
type, ldap_err2string(ret), errmsgp);
break;
}
if (serverctrlsp != NULL) {
/* FIXME: transform the LDAPControl list into an ldb_control one */
ac->controls = NULL;
}
request_done = true;
break;
default:
ldb_asprintf_errstring(ldb, "unknown ldap return type: %d", type);
ret = LDB_ERR_PROTOCOL_ERROR;
break;
}
if (ret != LDB_SUCCESS) {
/* if the callback failed the caller will have freed the
* request. Just return and don't try to use it */
if (callback_failed) {
/* tell lldb_wait to remove the request from the
* queue */
lret = true;
goto free_and_return;
}
request_done = true;
}
if (request_done) {
lldb_request_done(ac, ac->controls, ret);
lret = true;
goto free_and_return;
}
lret = false;
free_and_return:
if (matcheddnp) ldap_memfree(matcheddnp);
if (errmsgp && *errmsgp) {
ldb_set_errstring(ldb, errmsgp);
}
if (errmsgp) {
ldap_memfree(errmsgp);
}
if (referralsp) ldap_value_free(referralsp);
if (serverctrlsp) ldap_controls_free(serverctrlsp);
ldap_msgfree(result);
return lret;
}
/*
* This function will look in ldap id the token correspond to the
* requested user. It will returns 0 for failure and 1 for success.
*
* For the moment ldaps is not supported. ldap serve can be on a
* remote host.
*
* You need the following parameters in you pam config:
* ldapserver= OR ldap_uri=
* ldapdn=
* user_attr=
* yubi_attr=
*
*/
static int
authorize_user_token_ldap (struct cfg *cfg,
const char *user,
const char *token_id)
{
DBG(("called"));
int retval = 0;
int protocol;
#ifdef HAVE_LIBLDAP
LDAP *ld = NULL;
LDAPMessage *result = NULL, *e;
BerElement *ber;
char *a;
char *attrs[2] = {NULL, NULL};
struct berval **vals;
int i, rc;
char *find = NULL, *sr = NULL;
if (cfg->user_attr == NULL) {
DBG (("Trying to look up user to YubiKey mapping in LDAP, but user_attr not set!"));
return 0;
}
if (cfg->yubi_attr == NULL) {
DBG (("Trying to look up user to YubiKey mapping in LDAP, but yubi_attr not set!"));
return 0;
}
if (cfg->ldapdn == NULL) {
DBG (("Trying to look up user to YubiKey mapping in LDAP, but ldapdn not set!"));
return 0;
}
/* Get a handle to an LDAP connection. */
if (cfg->ldap_uri)
{
rc = ldap_initialize (&ld, cfg->ldap_uri);
if (rc != LDAP_SUCCESS)
{
DBG (("ldap_init: %s", ldap_err2string (rc)));
retval = 0;
goto done;
}
}
else
{
if ((ld = ldap_init (cfg->ldapserver, PORT_NUMBER)) == NULL)
{
DBG (("ldap_init"));
retval = 0;
goto done;
}
}
/* LDAPv2 is historical -- RFC3494. */
protocol = LDAP_VERSION3;
ldap_set_option (ld, LDAP_OPT_PROTOCOL_VERSION, &protocol);
/* Bind anonymously to the LDAP server. */
rc = ldap_simple_bind_s (ld, NULL, NULL);
if (rc != LDAP_SUCCESS)
{
DBG (("ldap_simple_bind_s: %s", ldap_err2string (rc)));
retval = 0;
goto done;
}
/* Allocation of memory for search strings depending on input size */
find = malloc((strlen(cfg->user_attr)+strlen(cfg->ldapdn)+strlen(user)+3)*sizeof(char));
sprintf (find, "%s=%s,%s", cfg->user_attr, user, cfg->ldapdn);
attrs[0] = (char *) cfg->yubi_attr;
DBG(("LDAP : look up object '%s', ask for attribute '%s'", find, cfg->yubi_attr));
/* Search for the entry. */
if ((rc = ldap_search_ext_s (ld, find, LDAP_SCOPE_BASE,
NULL, attrs, 0, NULL, NULL, LDAP_NO_LIMIT,
LDAP_NO_LIMIT, &result)) != LDAP_SUCCESS)
{
DBG (("ldap_search_ext_s: %s", ldap_err2string (rc)));
retval = 0;
goto done;
}
e = ldap_first_entry (ld, result);
if (e == NULL)
{
DBG (("No result from LDAP search"));
}
else
{
/* Iterate through each returned attribute. */
for (a = ldap_first_attribute (ld, e, &ber);
a != NULL; a = ldap_next_attribute (ld, e, ber))
{
if ((vals = ldap_get_values_len (ld, e, a)) != NULL)
{
/* Compare each value for the attribute against the token id. */
for (i = 0; vals[i] != NULL; i++)
{
if (!strncmp (token_id, vals[i]->bv_val, strlen (token_id)))
{
DBG (("Token Found :: %s", vals[i]->bv_val));
retval = 1;
}
else
{
DBG (("No match : (%s) %s != %s", a, vals[i]->bv_val, token_id));
}
}
ldap_value_free_len (vals);
}
ldap_memfree (a);
}
if (ber != NULL)
ber_free (ber, 0);
}
done:
if (result != NULL)
ldap_msgfree (result);
if (ld != NULL)
ldap_unbind (ld);
/* free memory allocated for search strings */
if (find != NULL)
free(find);
if (sr != NULL)
free(sr);
#else
DBG (("Trying to use LDAP, but this function is not compiled in pam_yubico!!"));
DBG (("Install libldap-dev and then recompile pam_yubico."));
#endif
return retval;
}
