1 files changed, 0 insertions, 560 deletions

diff --git a/src/transports/smart.c b/src/transports/smart.c
deleted file mode 100644
index 587f14358..000000000
--- a/src/transports/smart.c
+++ /dev/null
@@ -1,560 +0,0 @@
-/*
- * Copyright (C) the libgit2 contributors. All rights reserved.
- *
- * This file is part of libgit2, distributed under the GNU GPL v2 with
- * a Linking Exception. For full terms see the included COPYING file.
- */
-
-#include "smart.h"
-
-#include "git2.h"
-#include "refs.h"
-#include "refspec.h"
-#include "proxy.h"
-
-static int git_smart__recv_cb(gitno_buffer *buf)
-{
-	transport_smart *t = (transport_smart *) buf->cb_data;
-	size_t old_len, bytes_read;
-	int error;
-
-	GIT_ASSERT(t->current_stream);
-
-	old_len = buf->offset;
-
-	if ((error = t->current_stream->read(t->current_stream, buf->data + buf->offset, buf->len - buf->offset, &bytes_read)) < 0)
-		return error;
-
-	buf->offset += bytes_read;
-
-	if (t->packetsize_cb && !t->cancelled.val) {
-		error = t->packetsize_cb(bytes_read, t->packetsize_payload);
-		if (error) {
-			git_atomic32_set(&t->cancelled, 1);
-			return GIT_EUSER;
-		}
-	}
-
-	return (int)(buf->offset - old_len);
-}
-
-GIT_INLINE(int) git_smart__reset_stream(transport_smart *t, bool close_subtransport)
-{
-	if (t->current_stream) {
-		t->current_stream->free(t->current_stream);
-		t->current_stream = NULL;
-	}
-
-	if (close_subtransport) {
-		git__free(t->url);
-		t->url = NULL;
-
-		if (t->wrapped->close(t->wrapped) < 0)
-			return -1;
-	}
-
-	return 0;
-}
-
-static int git_smart__set_callbacks(
-	git_transport *transport,
-	git_transport_message_cb progress_cb,
-	git_transport_message_cb error_cb,
-	git_transport_certificate_check_cb certificate_check_cb,
-	void *message_cb_payload)
-{
-	transport_smart *t = GIT_CONTAINER_OF(transport, transport_smart, parent);
-
-	t->progress_cb = progress_cb;
-	t->error_cb = error_cb;
-	t->certificate_check_cb = certificate_check_cb;
-	t->message_cb_payload = message_cb_payload;
-
-	return 0;
-}
-
-static size_t http_header_name_length(const char *http_header)
-{
-	const char *colon = strchr(http_header, ':');
-	if (!colon)
-		return 0;
-	return colon - http_header;
-}
-
-static bool is_malformed_http_header(const char *http_header)
-{
-	const char *c;
-	size_t name_len;
-
-	/* Disallow \r and \n */
-	c = strchr(http_header, '\r');
-	if (c)
-		return true;
-	c = strchr(http_header, '\n');
-	if (c)
-		return true;
-
-	/* Require a header name followed by : */
-	name_len = http_header_name_length(http_header);
-	if (name_len < 1)
-		return true;
-
-	return false;
-}
-
-static char *forbidden_custom_headers[] = {
-	"User-Agent",
-	"Host",
-	"Accept",
-	"Content-Type",
-	"Transfer-Encoding",
-	"Content-Length",
-};
-
-static bool is_forbidden_custom_header(const char *custom_header)
-{
-	unsigned long i;
-	size_t name_len = http_header_name_length(custom_header);
-
-	/* Disallow headers that we set */
-	for (i = 0; i < ARRAY_SIZE(forbidden_custom_headers); i++)
-		if (strncmp(forbidden_custom_headers[i], custom_header, name_len) == 0)
-			return true;
-
-	return false;
-}
-
-static int git_smart__set_custom_headers(
-	git_transport *transport,
-	const git_strarray *custom_headers)
-{
-	transport_smart *t = GIT_CONTAINER_OF(transport, transport_smart, parent);
-	size_t i;
-
-	if (t->custom_headers.count)
-		git_strarray_dispose(&t->custom_headers);
-
-	if (!custom_headers)
-		return 0;
-
-	for (i = 0; i < custom_headers->count; i++) {
-		if (is_malformed_http_header(custom_headers->strings[i])) {
-			git_error_set(GIT_ERROR_INVALID, "custom HTTP header '%s' is malformed", custom_headers->strings[i]);
-			return -1;
-		}
-		if (is_forbidden_custom_header(custom_headers->strings[i])) {
-			git_error_set(GIT_ERROR_INVALID, "custom HTTP header '%s' is already set by libgit2", custom_headers->strings[i]);
-			return -1;
-		}
-	}
-
-	return git_strarray_copy(&t->custom_headers, custom_headers);
-}
-
-int git_smart__update_heads(transport_smart *t, git_vector *symrefs)
-{
-	size_t i;
-	git_pkt *pkt;
-
-	git_vector_clear(&t->heads);
-	git_vector_foreach(&t->refs, i, pkt) {
-		git_pkt_ref *ref = (git_pkt_ref *) pkt;
-		if (pkt->type != GIT_PKT_REF)
-			continue;
-
-		if (symrefs) {
-			git_refspec *spec;
-			git_buf buf = GIT_BUF_INIT;
-			size_t j;
-			int error = 0;
-
-			git_vector_foreach(symrefs, j, spec) {
-				git_buf_clear(&buf);
-				if (git_refspec_src_matches(spec, ref->head.name) &&
-				    !(error = git_refspec_transform(&buf, spec, ref->head.name))) {
-					git__free(ref->head.symref_target);
-					ref->head.symref_target = git_buf_detach(&buf);
-				}
-			}
-
-			git_buf_dispose(&buf);
-
-			if (error < 0)
-				return error;
-		}
-
-		if (git_vector_insert(&t->heads, &ref->head) < 0)
-			return -1;
-	}
-
-	return 0;
-}
-
-static void free_symrefs(git_vector *symrefs)
-{
-	git_refspec *spec;
-	size_t i;
-
-	git_vector_foreach(symrefs, i, spec) {
-		git_refspec__dispose(spec);
-		git__free(spec);
-	}
-
-	git_vector_free(symrefs);
-}
-
-static int git_smart__connect(
-	git_transport *transport,
-	const char *url,
-	git_credential_acquire_cb cred_acquire_cb,
-	void *cred_acquire_payload,
-	const git_proxy_options *proxy,
-	int direction,
-	int flags)
-{
-	transport_smart *t = GIT_CONTAINER_OF(transport, transport_smart, parent);
-	git_smart_subtransport_stream *stream;
-	int error;
-	git_pkt *pkt;
-	git_pkt_ref *first;
-	git_vector symrefs;
-	git_smart_service_t service;
-
-	if (git_smart__reset_stream(t, true) < 0)
-		return -1;
-
-	t->url = git__strdup(url);
-	GIT_ERROR_CHECK_ALLOC(t->url);
-
-	git_proxy_options_clear(&t->proxy);
-
-	if (git_proxy_options_dup(&t->proxy, proxy) < 0)
-		return -1;
-
-	t->direction = direction;
-	t->flags = flags;
-	t->cred_acquire_cb = cred_acquire_cb;
-	t->cred_acquire_payload = cred_acquire_payload;
-
-	if (GIT_DIRECTION_FETCH == t->direction)
-		service = GIT_SERVICE_UPLOADPACK_LS;
-	else if (GIT_DIRECTION_PUSH == t->direction)
-		service = GIT_SERVICE_RECEIVEPACK_LS;
-	else {
-		git_error_set(GIT_ERROR_NET, "invalid direction");
-		return -1;
-	}
-
-	if ((error = t->wrapped->action(&stream, t->wrapped, t->url, service)) < 0)
-		return error;
-
-	/* Save off the current stream (i.e. socket) that we are working with */
-	t->current_stream = stream;
-
-	gitno_buffer_setup_callback(&t->buffer, t->buffer_data, sizeof(t->buffer_data), git_smart__recv_cb, t);
-
-	/* 2 flushes for RPC; 1 for stateful */
-	if ((error = git_smart__store_refs(t, t->rpc ? 2 : 1)) < 0)
-		return error;
-
-	/* Strip the comment packet for RPC */
-	if (t->rpc) {
-		pkt = (git_pkt *)git_vector_get(&t->refs, 0);
-
-		if (!pkt || GIT_PKT_COMMENT != pkt->type) {
-			git_error_set(GIT_ERROR_NET, "invalid response");
-			return -1;
-		} else {
-			/* Remove the comment pkt from the list */
-			git_vector_remove(&t->refs, 0);
-			git__free(pkt);
-		}
-	}
-
-	/* We now have loaded the refs. */
-	t->have_refs = 1;
-
-	pkt = (git_pkt *)git_vector_get(&t->refs, 0);
-	if (pkt && GIT_PKT_REF != pkt->type) {
-		git_error_set(GIT_ERROR_NET, "invalid response");
-		return -1;
-	}
-	first = (git_pkt_ref *)pkt;
-
-	if ((error = git_vector_init(&symrefs, 1, NULL)) < 0)
-		return error;
-
-	/* Detect capabilities */
-	if ((error = git_smart__detect_caps(first, &t->caps, &symrefs)) == 0) {
-		/* If the only ref in the list is capabilities^{} with OID_ZERO, remove it */
-		if (1 == t->refs.length && !strcmp(first->head.name, "capabilities^{}") &&
-			git_oid_is_zero(&first->head.oid)) {
-			git_vector_clear(&t->refs);
-			git_pkt_free((git_pkt *)first);
-		}
-
-		/* Keep a list of heads for _ls */
-		git_smart__update_heads(t, &symrefs);
-	} else if (error == GIT_ENOTFOUND) {
-		/* There was no ref packet received, or the cap list was empty */
-		error = 0;
-	} else {
-		git_error_set(GIT_ERROR_NET, "invalid response");
-		goto cleanup;
-	}
-
-	if (t->rpc && (error = git_smart__reset_stream(t, false)) < 0)
-		goto cleanup;
-
-	/* We're now logically connected. */
-	t->connected = 1;
-
-cleanup:
-	free_symrefs(&symrefs);
-
-	return error;
-}
-
-static int git_smart__ls(const git_remote_head ***out, size_t *size, git_transport *transport)
-{
-	transport_smart *t = GIT_CONTAINER_OF(transport, transport_smart, parent);
-
-	if (!t->have_refs) {
-		git_error_set(GIT_ERROR_NET, "the transport has not yet loaded the refs");
-		return -1;
-	}
-
-	*out = (const git_remote_head **) t->heads.contents;
-	*size = t->heads.length;
-
-	return 0;
-}
-
-int git_smart__negotiation_step(git_transport *transport, void *data, size_t len)
-{
-	transport_smart *t = GIT_CONTAINER_OF(transport, transport_smart, parent);
-	git_smart_subtransport_stream *stream;
-	int error;
-
-	if (t->rpc && git_smart__reset_stream(t, false) < 0)
-		return -1;
-
-	if (GIT_DIRECTION_FETCH != t->direction) {
-		git_error_set(GIT_ERROR_NET, "this operation is only valid for fetch");
-		return -1;
-	}
-
-	if ((error = t->wrapped->action(&stream, t->wrapped, t->url, GIT_SERVICE_UPLOADPACK)) < 0)
-		return error;
-
-	/* If this is a stateful implementation, the stream we get back should be the same */
-	GIT_ASSERT(t->rpc || t->current_stream == stream);
-
-	/* Save off the current stream (i.e. socket) that we are working with */
-	t->current_stream = stream;
-
-	if ((error = stream->write(stream, (const char *)data, len)) < 0)
-		return error;
-
-	gitno_buffer_setup_callback(&t->buffer, t->buffer_data, sizeof(t->buffer_data), git_smart__recv_cb, t);
-
-	return 0;
-}
-
-int git_smart__get_push_stream(transport_smart *t, git_smart_subtransport_stream **stream)
-{
-	int error;
-
-	if (t->rpc && git_smart__reset_stream(t, false) < 0)
-		return -1;
-
-	if (GIT_DIRECTION_PUSH != t->direction) {
-		git_error_set(GIT_ERROR_NET, "this operation is only valid for push");
-		return -1;
-	}
-
-	if ((error = t->wrapped->action(stream, t->wrapped, t->url, GIT_SERVICE_RECEIVEPACK)) < 0)
-		return error;
-
-	/* If this is a stateful implementation, the stream we get back should be the same */
-	GIT_ASSERT(t->rpc || t->current_stream == *stream);
-
-	/* Save off the current stream (i.e. socket) that we are working with */
-	t->current_stream = *stream;
-
-	gitno_buffer_setup_callback(&t->buffer, t->buffer_data, sizeof(t->buffer_data), git_smart__recv_cb, t);
-
-	return 0;
-}
-
-static void git_smart__cancel(git_transport *transport)
-{
-	transport_smart *t = GIT_CONTAINER_OF(transport, transport_smart, parent);
-
-	git_atomic32_set(&t->cancelled, 1);
-}
-
-static int git_smart__is_connected(git_transport *transport)
-{
-	transport_smart *t = GIT_CONTAINER_OF(transport, transport_smart, parent);
-
-	return t->connected;
-}
-
-static int git_smart__read_flags(git_transport *transport, int *flags)
-{
-	transport_smart *t = GIT_CONTAINER_OF(transport, transport_smart, parent);
-
-	*flags = t->flags;
-
-	return 0;
-}
-
-static int git_smart__close(git_transport *transport)
-{
-	transport_smart *t = GIT_CONTAINER_OF(transport, transport_smart, parent);
-	git_vector *common = &t->common;
-	unsigned int i;
-	git_pkt *p;
-	int ret;
-	git_smart_subtransport_stream *stream;
-	const char flush[] = "0000";
-
-	/*
-	 * If we're still connected at this point and not using RPC,
-	 * we should say goodbye by sending a flush, or git-daemon
-	 * will complain that we disconnected unexpectedly.
-	 */
-	if (t->connected && !t->rpc &&
-	    !t->wrapped->action(&stream, t->wrapped, t->url, GIT_SERVICE_UPLOADPACK)) {
-		t->current_stream->write(t->current_stream, flush, 4);
-	}
-
-	ret = git_smart__reset_stream(t, true);
-
-	git_vector_foreach(common, i, p)
-		git_pkt_free(p);
-
-	git_vector_free(common);
-
-	if (t->url) {
-		git__free(t->url);
-		t->url = NULL;
-	}
-
-	t->connected = 0;
-
-	return ret;
-}
-
-static void git_smart__free(git_transport *transport)
-{
-	transport_smart *t = GIT_CONTAINER_OF(transport, transport_smart, parent);
-	git_vector *refs = &t->refs;
-	unsigned int i;
-	git_pkt *p;
-
-	/* Make sure that the current stream is closed, if we have one. */
-	git_smart__close(transport);
-
-	/* Free the subtransport */
-	t->wrapped->free(t->wrapped);
-
-	git_vector_free(&t->heads);
-	git_vector_foreach(refs, i, p)
-		git_pkt_free(p);
-
-	git_vector_free(refs);
-	git__free((char *)t->proxy.url);
-
-	git_strarray_dispose(&t->custom_headers);
-
-	git__free(t);
-}
-
-static int ref_name_cmp(const void *a, const void *b)
-{
-	const git_pkt_ref *ref_a = a, *ref_b = b;
-
-	return strcmp(ref_a->head.name, ref_b->head.name);
-}
-
-int git_transport_smart_certificate_check(git_transport *transport, git_cert *cert, int valid, const char *hostname)
-{
-	transport_smart *t = GIT_CONTAINER_OF(transport, transport_smart, parent);
-
-	GIT_ASSERT_ARG(transport);
-	GIT_ASSERT_ARG(cert);
-	GIT_ASSERT_ARG(hostname);
-
-	if (!t->certificate_check_cb)
-		return GIT_PASSTHROUGH;
-
-	return t->certificate_check_cb(cert, valid, hostname, t->message_cb_payload);
-}
-
-int git_transport_smart_credentials(git_credential **out, git_transport *transport, const char *user, int methods)
-{
-	transport_smart *t = GIT_CONTAINER_OF(transport, transport_smart, parent);
-
-	GIT_ASSERT_ARG(out);
-	GIT_ASSERT_ARG(transport);
-
-	if (!t->cred_acquire_cb)
-		return GIT_PASSTHROUGH;
-
-	return t->cred_acquire_cb(out, t->url, user, methods, t->cred_acquire_payload);
-}
-
-int git_transport_smart_proxy_options(git_proxy_options *out, git_transport *transport)
-{
-	transport_smart *t = GIT_CONTAINER_OF(transport, transport_smart, parent);
-	return git_proxy_options_dup(out, &t->proxy);
-}
-
-int git_transport_smart(git_transport **out, git_remote *owner, void *param)
-{
-	transport_smart *t;
-	git_smart_subtransport_definition *definition = (git_smart_subtransport_definition *)param;
-
-	if (!param)
-		return -1;
-
-	t = git__calloc(1, sizeof(transport_smart));
-	GIT_ERROR_CHECK_ALLOC(t);
-
-	t->parent.version = GIT_TRANSPORT_VERSION;
-	t->parent.set_callbacks = git_smart__set_callbacks;
-	t->parent.set_custom_headers = git_smart__set_custom_headers;
-	t->parent.connect = git_smart__connect;
-	t->parent.close = git_smart__close;
-	t->parent.free = git_smart__free;
-	t->parent.negotiate_fetch = git_smart__negotiate_fetch;
-	t->parent.download_pack = git_smart__download_pack;
-	t->parent.push = git_smart__push;
-	t->parent.ls = git_smart__ls;
-	t->parent.is_connected = git_smart__is_connected;
-	t->parent.read_flags = git_smart__read_flags;
-	t->parent.cancel = git_smart__cancel;
-
-	t->owner = owner;
-	t->rpc = definition->rpc;
-
-	if (git_vector_init(&t->refs, 16, ref_name_cmp) < 0) {
-		git__free(t);
-		return -1;
-	}
-
-	if (git_vector_init(&t->heads, 16, ref_name_cmp) < 0) {
-		git__free(t);
-		return -1;
-	}
-
-	if (definition->callback(&t->wrapped, &t->parent, definition->param) < 0) {
-		git__free(t);
-		return -1;
-	}
-
-	*out = (git_transport *) t;
-	return 0;
-}