CURLcode Curl_ldap(struct connectdata *conn)
{
CURLcode status = CURLE_OK;
int rc;
void *(*ldap_init)(char *, int);
int (*ldap_simple_bind_s)(void *, char *, char *);
int (*ldap_unbind_s)(void *);
int (*ldap_url_parse)(char *, LDAPURLDesc **);
void (*ldap_free_urldesc)(void *);
int (*ldap_search_s)(void *, char *, int, char *, char **, int, void **);
int (*ldap_search_st)(void *, char *, int, char *, char **, int, void *, void **);
void *(*ldap_first_entry)(void *, void *);
void *(*ldap_next_entry)(void *, void *);
char *(*ldap_err2string)(int);
char *(*ldap_get_dn)(void *, void *);
char *(*ldap_first_attribute)(void *, void *, void **);
char *(*ldap_next_attribute)(void *, void *, void *);
char **(*ldap_get_values)(void *, void *, char *);
void (*ldap_value_free)(char **);
void (*ldap_memfree)(void *);
void (*ber_free)(void *, int);
void *server;
LDAPURLDesc *ludp;
void *result;
void *entryIterator;
void *ber;
void *attribute;
struct SessionHandle *data=conn->data;
infof(data, "LDAP: %s\n", data->change.url);
DynaOpen();
if (libldap == NULL) {
failf(data, "The needed LDAP library/libraries couldn't be opened");
return CURLE_LIBRARY_NOT_FOUND;
}
/* The types are needed because ANSI C distinguishes between
* pointer-to-object (data) and pointer-to-function.
*/
DYNA_GET_FUNCTION(void *(*)(char *, int), ldap_init);
DYNA_GET_FUNCTION(int (*)(void *, char *, char *), ldap_simple_bind_s);
DYNA_GET_FUNCTION(int (*)(void *), ldap_unbind_s);
DYNA_GET_FUNCTION(int (*)(char *, LDAPURLDesc **), ldap_url_parse);
DYNA_GET_FUNCTION(void (*)(void *), ldap_free_urldesc);
DYNA_GET_FUNCTION(int (*)(void *, char *, int, char *, char **, int, void **), ldap_search_s);
DYNA_GET_FUNCTION(int (*)(void *, char *, int, char *, char **, int, void *, void **), ldap_search_st);
DYNA_GET_FUNCTION(void *(*)(void *, void *), ldap_first_entry);
DYNA_GET_FUNCTION(void *(*)(void *, void *), ldap_next_entry);
DYNA_GET_FUNCTION(char *(*)(int), ldap_err2string);
DYNA_GET_FUNCTION(char *(*)(void *, void *), ldap_get_dn);
DYNA_GET_FUNCTION(char *(*)(void *, void *, void **), ldap_first_attribute);
DYNA_GET_FUNCTION(char *(*)(void *, void *, void *), ldap_next_attribute);
DYNA_GET_FUNCTION(char **(*)(void *, void *, char *), ldap_get_values);
DYNA_GET_FUNCTION(void (*)(char **), ldap_value_free);
DYNA_GET_FUNCTION(void (*)(void *), ldap_memfree);
DYNA_GET_FUNCTION(void (*)(void *, int), ber_free);
server = ldap_init(conn->hostname, conn->port);
if (server == NULL) {
failf(data, "LDAP: Cannot connect to %s:%d",
conn->hostname, conn->port);
status = CURLE_COULDNT_CONNECT;
}
else {
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: %s", ldap_err2string(rc));
status = CURLE_LDAP_CANNOT_BIND;
}
else {
rc = ldap_url_parse(data->change.url, &ludp);
if (rc != 0) {
failf(data, "LDAP: %s", ldap_err2string(rc));
status = CURLE_LDAP_INVALID_URL;
}
else {
rc = ldap_search_s(server, ludp->lud_dn, ludp->lud_scope,
ludp->lud_filter, ludp->lud_attrs, 0, &result);
if (rc != 0) {
failf(data, "LDAP: %s", ldap_err2string(rc));
status = CURLE_LDAP_SEARCH_FAILED;
}
else {
for (entryIterator = ldap_first_entry(server, result);
entryIterator;
entryIterator = ldap_next_entry(server, entryIterator)) {
char *dn = ldap_get_dn(server, entryIterator);
char **vals;
int i;
Curl_client_write(data, CLIENTWRITE_BODY, (char *)"DN: ", 4);
Curl_client_write(data, CLIENTWRITE_BODY, dn, 0);
Curl_client_write(data, CLIENTWRITE_BODY, (char *)"\n", 1);
for(attribute = ldap_first_attribute(server, entryIterator,
&ber);
attribute;
attribute = ldap_next_attribute(server, entryIterator,
ber) ) {
vals = ldap_get_values(server, entryIterator, attribute);
if (vals != NULL) {
for(i = 0; (vals[i] != NULL); i++) {
Curl_client_write(data, CLIENTWRITE_BODY, (char*)"\t", 1);
Curl_client_write(data, CLIENTWRITE_BODY, attribute, 0);
Curl_client_write(data, CLIENTWRITE_BODY, (char *)": ", 2);
Curl_client_write(data, CLIENTWRITE_BODY, vals[i], 0);
Curl_client_write(data, CLIENTWRITE_BODY, (char *)"\n", 0);
}
}
/* Free memory used to store values */
ldap_value_free(vals);
}
Curl_client_write(data, CLIENTWRITE_BODY, (char *)"\n", 1);
ldap_memfree(attribute);
ldap_memfree(dn);
if (ber) ber_free(ber, 0);
}
}
ldap_free_urldesc(ludp);
}
ldap_unbind_s(server);
}
}
DynaClose();
/* no data to transfer */
Curl_Transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
return status;
}
CURLcode Curl_ldap(struct connectdata *conn)
{
CURLcode status = CURLE_OK;
int rc;
void *(*ldap_open)(char *, int);
int (*ldap_simple_bind_s)(void *, char *, char *);
int (*ldap_unbind_s)(void *);
int (*ldap_url_search_s)(void *, char *, int, void **);
void *(*ldap_first_entry)(void *, void *);
void *(*ldap_next_entry)(void *, void *);
char *(*ldap_err2string)(int);
int (*ldap_entry2text)(void *, char *, void *, void *, char **, char **, int (*)(void *, char *, int), void *, char *, int, unsigned long);
int (*ldap_entry2html)(void *, char *, void *, void *, char **, char **, int (*)(void *, char *, int), void *, char *, int, unsigned long, char *, char *);
void *server;
void *result;
void *entryIterator;
int ldaptext;
struct SessionHandle *data=conn->data;
infof(data, "LDAP: %s\n", data->change.url);
DynaOpen();
if (libldap == NULL) {
failf(data, "The needed LDAP library/libraries couldn't be opened");
return CURLE_LIBRARY_NOT_FOUND;
}
ldaptext = data->set.ftp_ascii; /* This is a dirty hack */
/* The types are needed because ANSI C distinguishes between
* pointer-to-object (data) and pointer-to-function.
*/
DYNA_GET_FUNCTION(void *(*)(char *, int), ldap_open);
DYNA_GET_FUNCTION(int (*)(void *, char *, char *), ldap_simple_bind_s);
DYNA_GET_FUNCTION(int (*)(void *), ldap_unbind_s);
DYNA_GET_FUNCTION(int (*)(void *, char *, int, void **), ldap_url_search_s);
DYNA_GET_FUNCTION(void *(*)(void *, void *), ldap_first_entry);
DYNA_GET_FUNCTION(void *(*)(void *, void *), ldap_next_entry);
DYNA_GET_FUNCTION(char *(*)(int), ldap_err2string);
DYNA_GET_FUNCTION(int (*)(void *, char *, void *, void *, char **, char **, int (*)(void *, char *, int), void *, char *, int, unsigned long), ldap_entry2text);
DYNA_GET_FUNCTION(int (*)(void *, char *, void *, void *, char **, char **, int (*)(void *, char *, int), void *, char *, int, unsigned long, char *, char *), ldap_entry2html);
server = ldap_open(conn->hostname, conn->port);
if (server == NULL) {
failf(data, "LDAP: Cannot connect to %s:%d",
conn->hostname, conn->port);
status = CURLE_COULDNT_CONNECT;
} else {
rc = ldap_simple_bind_s(server,
conn->bits.user_passwd?data->state.user:NULL,
conn->bits.user_passwd?data->state.passwd:NULL);
if (rc != 0) {
failf(data, "LDAP: %s", ldap_err2string(rc));
status = CURLE_LDAP_CANNOT_BIND;
} else {
rc = ldap_url_search_s(server, data->change.url, 0, &result);
if (rc != 0) {
failf(data, "LDAP: %s", ldap_err2string(rc));
status = CURLE_LDAP_SEARCH_FAILED;
} else {
for (entryIterator = ldap_first_entry(server, result);
entryIterator;
entryIterator = ldap_next_entry(server, entryIterator))
{
if (ldaptext) {
rc = ldap_entry2text(server, NULL, entryIterator, NULL,
NULL, NULL, WriteProc, data,
(char *)"", 0, 0);
if (rc != 0) {
failf(data, "LDAP: %s", ldap_err2string(rc));
status = CURLE_LDAP_SEARCH_FAILED;
}
} else {
rc = ldap_entry2html(server, NULL, entryIterator, NULL,
NULL, NULL, WriteProc, data,
(char *)"", 0, 0, NULL, NULL);
if (rc != 0) {
failf(data, "LDAP: %s", ldap_err2string(rc));
status = CURLE_LDAP_SEARCH_FAILED;
}
}
}
}
ldap_unbind_s(server);
}
}
DynaClose();
/* no data to transfer */
Curl_Transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
return status;
}