diff options
Diffstat (limited to 'source4/libcli')
-rw-r--r-- | source4/libcli/ldap/ldap.c | 102 | ||||
-rw-r--r-- | source4/libcli/ldap/ldap.h | 12 | ||||
-rw-r--r-- | source4/libcli/ldap/ldap_bind.c | 19 | ||||
-rw-r--r-- | source4/libcli/ldap/ldap_controls.c | 34 |
4 files changed, 112 insertions, 55 deletions
diff --git a/source4/libcli/ldap/ldap.c b/source4/libcli/ldap/ldap.c index 496fec527f..55f1361e16 100644 --- a/source4/libcli/ldap/ldap.c +++ b/source4/libcli/ldap/ldap.c @@ -219,14 +219,9 @@ BOOL ldap_encode(struct ldap_message *msg, DATA_BLOB *result, TALLOC_CTX *mem_ct asn1_push_tag(&data, ASN1_CONTEXT(3)); asn1_write_OctetString(&data, r->creds.SASL.mechanism, strlen(r->creds.SASL.mechanism)); - /* The value of data indicates if this - * optional element exists at all. In SASL - * there is a difference between NULL and - * zero-legnth, but our APIs don't express it - * well */ - if (r->creds.SASL.secblob.data) { - asn1_write_OctetString(&data, r->creds.SASL.secblob.data, - r->creds.SASL.secblob.length); + if (r->creds.SASL.secblob) { + asn1_write_OctetString(&data, r->creds.SASL.secblob->data, + r->creds.SASL.secblob->length); } asn1_pop_tag(&data); break; @@ -241,13 +236,8 @@ BOOL ldap_encode(struct ldap_message *msg, DATA_BLOB *result, TALLOC_CTX *mem_ct struct ldap_BindResponse *r = &msg->r.BindResponse; asn1_push_tag(&data, ASN1_APPLICATION(msg->type)); ldap_encode_response(&data, &r->response); - /* The value of data indicates if this - * optional element exists at all. In SASL - * there is a difference between NULL and - * zero-legnth, but our APIs don't express it - * well */ - if (r->SASL.secblob.data) { - asn1_write_ContextSimple(&data, 7, &r->SASL.secblob); + if (r->SASL.secblob) { + asn1_write_ContextSimple(&data, 7, r->SASL.secblob); } asn1_pop_tag(&data); break; @@ -396,7 +386,7 @@ BOOL ldap_encode(struct ldap_message *msg, DATA_BLOB *result, TALLOC_CTX *mem_ct asn1_write_OctetString(&data, r->dn, strlen(r->dn)); asn1_write_OctetString(&data, r->newrdn, strlen(r->newrdn)); asn1_write_BOOLEAN(&data, r->deleteolddn); - if (r->newsuperior != NULL) { + if (r->newsuperior) { asn1_push_tag(&data, ASN1_CONTEXT_SIMPLE(0)); asn1_write(&data, r->newsuperior, strlen(r->newsuperior)); @@ -452,9 +442,11 @@ BOOL ldap_encode(struct ldap_message *msg, DATA_BLOB *result, TALLOC_CTX *mem_ct asn1_push_tag(&data, ASN1_CONTEXT_SIMPLE(0)); asn1_write(&data, r->oid, strlen(r->oid)); asn1_pop_tag(&data); - asn1_push_tag(&data, ASN1_CONTEXT_SIMPLE(1)); - asn1_write(&data, r->value.data, r->value.length); - asn1_pop_tag(&data); + if (r->value) { + asn1_push_tag(&data, ASN1_CONTEXT_SIMPLE(1)); + asn1_write(&data, r->value->data, r->value->length); + asn1_pop_tag(&data); + } asn1_pop_tag(&data); break; } @@ -462,6 +454,16 @@ BOOL ldap_encode(struct ldap_message *msg, DATA_BLOB *result, TALLOC_CTX *mem_ct struct ldap_ExtendedResponse *r = &msg->r.ExtendedResponse; asn1_push_tag(&data, ASN1_APPLICATION(msg->type)); ldap_encode_response(&data, &r->response); + if (r->oid) { + asn1_push_tag(&data, ASN1_CONTEXT_SIMPLE(10)); + asn1_write(&data, r->oid, strlen(r->oid)); + asn1_pop_tag(&data); + } + if (r->value) { + asn1_push_tag(&data, ASN1_CONTEXT_SIMPLE(11)); + asn1_write(&data, r->value->data, r->value->length); + asn1_pop_tag(&data); + } asn1_pop_tag(&data); break; } @@ -960,12 +962,17 @@ BOOL ldap_decode(struct asn1_data *data, struct ldap_message *msg) r->mechanism = LDAP_AUTH_MECH_SASL; asn1_read_OctetString_talloc(msg, data, &r->creds.SASL.mechanism); if (asn1_peek_tag(data, ASN1_OCTET_STRING)) { /* optional */ - asn1_read_OctetString(data, &r->creds.SASL.secblob); - if (r->creds.SASL.secblob.data) { - talloc_steal(msg, r->creds.SASL.secblob.data); + DATA_BLOB tmp_blob = data_blob(NULL, 0); + asn1_read_OctetString(data, &tmp_blob); + r->creds.SASL.secblob = talloc(msg, DATA_BLOB); + if (!r->creds.SASL.secblob) { + return False; } + *r->creds.SASL.secblob = data_blob_talloc(r->creds.SASL.secblob, + tmp_blob.data, tmp_blob.length); + data_blob_free(&tmp_blob); } else { - r->creds.SASL.secblob = data_blob(NULL, 0); + r->creds.SASL.secblob = NULL; } asn1_end_tag(data); } @@ -981,10 +988,15 @@ BOOL ldap_decode(struct asn1_data *data, struct ldap_message *msg) if (asn1_peek_tag(data, ASN1_CONTEXT_SIMPLE(7))) { DATA_BLOB tmp_blob = data_blob(NULL, 0); asn1_read_ContextSimple(data, 7, &tmp_blob); - r->SASL.secblob = data_blob_talloc(msg, tmp_blob.data, tmp_blob.length); + r->SASL.secblob = talloc(msg, DATA_BLOB); + if (!r->SASL.secblob) { + return False; + } + *r->SASL.secblob = data_blob_talloc(r->SASL.secblob, + tmp_blob.data, tmp_blob.length); data_blob_free(&tmp_blob); } else { - r->SASL.secblob = data_blob(NULL, 0); + r->SASL.secblob = NULL; } asn1_end_tag(data); break; @@ -1241,10 +1253,14 @@ BOOL ldap_decode(struct asn1_data *data, struct ldap_message *msg) if (asn1_peek_tag(data, ASN1_CONTEXT_SIMPLE(1))) { asn1_read_ContextSimple(data, 1, &tmp_blob); - r->value = data_blob_talloc(msg, tmp_blob.data, tmp_blob.length); + r->value = talloc(msg, DATA_BLOB); + if (!r->value) { + return False; + } + *r->value = data_blob_talloc(r->value, tmp_blob.data, tmp_blob.length); data_blob_free(&tmp_blob); } else { - r->value = data_blob(NULL, 0); + r->value = NULL; } asn1_end_tag(data); @@ -1253,15 +1269,35 @@ BOOL ldap_decode(struct asn1_data *data, struct ldap_message *msg) case ASN1_APPLICATION(LDAP_TAG_ExtendedResponse): { struct ldap_ExtendedResponse *r = &msg->r.ExtendedResponse; + DATA_BLOB tmp_blob = data_blob(NULL, 0); + msg->type = LDAP_TAG_ExtendedResponse; asn1_start_tag(data, tag); ldap_decode_response(msg, data, &r->response); - /* I have to come across an operation that actually sends - * something back to really see what's going on. The currently - * needed pwdchange does not send anything back. */ - r->name = NULL; - r->value.data = NULL; - r->value.length = 0; + + if (asn1_peek_tag(data, ASN1_CONTEXT_SIMPLE(10))) { + asn1_read_ContextSimple(data, 1, &tmp_blob); + r->oid = blob2string_talloc(msg, tmp_blob); + data_blob_free(&tmp_blob); + if (!r->oid) { + return False; + } + } else { + r->oid = NULL; + } + + if (asn1_peek_tag(data, ASN1_CONTEXT_SIMPLE(11))) { + asn1_read_ContextSimple(data, 1, &tmp_blob); + r->value = talloc(msg, DATA_BLOB); + if (!r->value) { + return False; + } + *r->value = data_blob_talloc(r->value, tmp_blob.data, tmp_blob.length); + data_blob_free(&tmp_blob); + } else { + r->value = NULL; + } + asn1_end_tag(data); break; } diff --git a/source4/libcli/ldap/ldap.h b/source4/libcli/ldap/ldap.h index 5283553f13..de284d23d1 100644 --- a/source4/libcli/ldap/ldap.h +++ b/source4/libcli/ldap/ldap.h @@ -109,7 +109,7 @@ struct ldap_BindRequest { const char *password; struct { const char *mechanism; - DATA_BLOB secblob; + DATA_BLOB *secblob;/* optional */ } SASL; } creds; }; @@ -117,7 +117,7 @@ struct ldap_BindRequest { struct ldap_BindResponse { struct ldap_Result response; union { - DATA_BLOB secblob; + DATA_BLOB *secblob;/* optional */ } SASL; }; @@ -192,7 +192,7 @@ struct ldap_ModifyDNRequest { const char *dn; const char *newrdn; BOOL deleteolddn; - const char *newsuperior; + const char *newsuperior;/* optional */ }; struct ldap_CompareRequest { @@ -207,13 +207,13 @@ struct ldap_AbandonRequest { struct ldap_ExtendedRequest { const char *oid; - DATA_BLOB value; + DATA_BLOB *value;/* optional */ }; struct ldap_ExtendedResponse { struct ldap_Result response; - const char *name; - DATA_BLOB value; + const char *oid;/* optional */ + DATA_BLOB *value;/* optional */ }; union ldap_Request { diff --git a/source4/libcli/ldap/ldap_bind.c b/source4/libcli/ldap/ldap_bind.c index 2880298dd5..cacb0d150e 100644 --- a/source4/libcli/ldap/ldap_bind.c +++ b/source4/libcli/ldap/ldap_bind.c @@ -129,7 +129,16 @@ static struct ldap_message *new_ldap_sasl_bind_msg(struct ldap_connection *conn, res->r.BindRequest.dn = ""; res->r.BindRequest.mechanism = LDAP_AUTH_MECH_SASL; res->r.BindRequest.creds.SASL.mechanism = talloc_strdup(res, sasl_mechanism); - res->r.BindRequest.creds.SASL.secblob = *secblob; + if (secblob) { + res->r.BindRequest.creds.SASL.secblob = talloc(res, DATA_BLOB); + if (!res->r.BindRequest.creds.SASL.secblob) { + talloc_free(res); + return NULL; + } + *res->r.BindRequest.creds.SASL.secblob = *secblob; + } else { + res->r.BindRequest.creds.SASL.secblob = NULL; + } res->controls = NULL; return res; @@ -262,7 +271,7 @@ NTSTATUS ldap_bind_sasl(struct ldap_connection *conn, struct cli_credentials *cr } /* Perhaps we should make gensec_start_mech_by_sasl_list() return the name we got? */ - msg = new_ldap_sasl_bind_msg(tmp_ctx, conn->gensec->ops->sasl_name, &output); + msg = new_ldap_sasl_bind_msg(tmp_ctx, conn->gensec->ops->sasl_name, (output.data?&output:NULL)); if (msg == NULL) { status = NT_STATUS_NO_MEMORY; goto failed; @@ -297,7 +306,11 @@ NTSTATUS ldap_bind_sasl(struct ldap_connection *conn, struct cli_credentials *cr if (!NT_STATUS_EQUAL(gensec_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) { break; } - input = response->r.BindResponse.SASL.secblob; + if (response->r.BindResponse.SASL.secblob) { + input = *response->r.BindResponse.SASL.secblob; + } else { + input = data_blob(NULL, 0); + } } if (NT_STATUS_IS_OK(status) && diff --git a/source4/libcli/ldap/ldap_controls.c b/source4/libcli/ldap/ldap_controls.c index 4a28fa510b..5bd46cf7a9 100644 --- a/source4/libcli/ldap/ldap_controls.c +++ b/source4/libcli/ldap/ldap_controls.c @@ -304,7 +304,7 @@ static BOOL decode_asq_control(void *mem_ctx, DATA_BLOB in, void **out) } lac->src_attr_len = source_attribute.length; if (lac->src_attr_len) { - lac->source_attribute = talloc_strndup(lac, (char *)source_attribute.data, source_attribute.length); + lac->source_attribute = talloc_strndup(lac, (const char *)source_attribute.data, source_attribute.length); if (!(lac->source_attribute)) { return False; @@ -864,7 +864,7 @@ BOOL ldap_decode_control(void *mem_ctx, struct asn1_data *data, struct ldap_Cont return False; } ctrl->oid = talloc_strndup(mem_ctx, (char *)oid.data, oid.length); - if (!(ctrl->oid)) { + if (!ctrl->oid) { return False; } @@ -878,13 +878,17 @@ BOOL ldap_decode_control(void *mem_ctx, struct asn1_data *data, struct ldap_Cont ctrl->value = NULL; + if (!asn1_peek_tag(data, ASN1_OCTET_STRING)) { + goto end_tag; + } + + if (!asn1_read_OctetString(data, &value)) { + return False; + } + for (i = 0; ldap_known_controls[i].oid != NULL; i++) { if (strcmp(ldap_known_controls[i].oid, ctrl->oid) == 0) { - - if (!asn1_read_OctetString(data, &value)) { - return False; - } - if (!ldap_known_controls[i].decode(mem_ctx, value, &(ctrl->value))) { + if (!ldap_known_controls[i].decode(mem_ctx, value, &ctrl->value)) { return False; } break; @@ -894,6 +898,7 @@ BOOL ldap_decode_control(void *mem_ctx, struct asn1_data *data, struct ldap_Cont return False; } +end_tag: if (!asn1_end_tag(data)) { return False; } @@ -909,17 +914,21 @@ BOOL ldap_encode_control(void *mem_ctx, struct asn1_data *data, struct ldap_Cont if (!asn1_push_tag(data, ASN1_SEQUENCE(0))) { return False; } - + if (!asn1_write_OctetString(data, ctrl->oid, strlen(ctrl->oid))) { return False; } - + if (ctrl->critical) { if (!asn1_write_BOOLEAN(data, ctrl->critical)) { return False; } } + if (!ctrl->value) { + goto pop_tag; + } + for (i = 0; ldap_known_controls[i].oid != NULL; i++) { if (strcmp(ldap_known_controls[i].oid, ctrl->oid) == 0) { if (!ldap_known_controls[i].encode(mem_ctx, ctrl->value, &value)) { @@ -932,12 +941,11 @@ BOOL ldap_encode_control(void *mem_ctx, struct asn1_data *data, struct ldap_Cont return False; } - if (value.length != 0) { - if (!asn1_write_OctetString(data, value.data, value.length)) { - return False; - } + if (!asn1_write_OctetString(data, value.data, value.length)) { + return False; } +pop_tag: if (!asn1_pop_tag(data)) { return False; } |